Java Software Engineer with DDS and RTOS required for long term contract assignement based in Bristol

Overview of department:
Our team, at our Bristol facility, develop solutions for the next generation of Air Defence Systems; developing evolving products whilst maintaining our enviable reputation for safety, performance and dependability.
Responsibilities:
This is a very hands-on role and requires the continued design and development of new and evolving software tools and architectures, and the instantiations for future products. Perfect for a Software Engineer who is proactive and takes the initiative.
Skillset/experience required:
A strong background in software engineering, its realisation and system wide impact.
Experience of working in Java
Collaborative, open approach to development and have the ability to work well in a team and maintain momentum during development.
Experience of working across the entire software development process from engaging with requirement authorities to automated target integration and proving, supported with effective documentation
Experience of new tools, techniques and approaches that might enable us to evolve our processes to improve our efficiency and sustainability
Experience in other languages such as Ada
Knowledge of DDS middleware and Real Time Operating Systems
Knowledge of standards such as DefStan 00-55, DO-178C or IEC61508

Modis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers in the UK. Modis Europe Ltd provide a variety of international solutions that connect clients to the best talent in the world. For all positions based in Switzerland, Modis Europe Ltd works with its licensed Swiss partner Accurity GmbH to ensure that candidate applications are handled in accordance with Swiss law.

Both Modis International Ltd and Modis Europe Ltd are Equal Opportunities Employers.

By applying for this role your details will be submitted to Modis International Ltd and/ or Modis Europe Ltd. Our Candidate Privacy Information Statement which explains how we will use your information is available on the Modis website.

Job DetailsJob Title: GCP FinOps EngineerLocation- Newport, UKKey Responsibilities(Individual contributor role)*

• Optimise large scale data analytics workloads through partitioning, clustering, query rewrites, storage format improvements, and lifecycle policies.
• Tune containerised microservices by recalibrating CPU/memory requests, improving autoscaling efficiency, and restructuring workload placement on cost efficient compute.
• Redesign workflow orchestration pipelines for parallel execution, increased concurrency, and offloading heavy tasks to lower cost execution environments.
• Analyse distributed data processing pipelines to right size worker types, adjust scaling thresholds, and adopt low cost compute for batch workloads.
• Reduce log processing and storage overhead through log level standardisation, routing rules, exclusion filters, and retention optimisation.
• Implement storage tiering strategies based on access patterns and enforce lifecycle rules to minimise cold data retention costs.
• Improve relational database performance through index tuning, connection optimisation, and instance right sizing.
• Enhance horizontally scalable database performance via autoscaling policies, index improvements, and mitigation of read/write hotspots.
• Build dashboards, budgets, alerts, and guardrails to drive ongoing cost governance and financial accountability.
• Collaborate with engineering teams to embed cost efficient architecture patterns and operational best practices.

Key Skills / Knowledge

• 5+ years of hands-on experience in Google Cloud
• Strong understanding of GCP Data services (indexing, slots, pruning, partitioning, clustering)
• Expert-level Kubernetes & GKE resource tuning
• Hands-on experience with Dataflow job pipelines and worker optimisation
• Strong Airflow/Composer knowledge (DAG design, scheduling, PodOperator)
• Strong Dataflow processing pipelines development & schedulers knowledge
• Deep understanding of Cloud Logging routing, sinks, exclusion filters
• Experience with Cloud Spanner autoscaling, indexing, schema optimisation
• Cloud SQL performance tuning and indexing
• Ability to analyse billing data & resource consumption
• Experience using GCP Cost Explorer, Recommender API, Billing Export
• Ability to quantify cost savings and present ROI to leadership
• Build dashboards, alerts, and budget guardrails
• Strong communication and stakeholder management
• Ability to collaborate across engineering, data, and product teams
• Structured problem-solving mindset
• Ownership-driven, proactive and independent

Experience Required

• Min 5+ years experience in Google Cloud

Geospatial Data Engineer - Contract
Remote UK
£420 per day
12 Months - the entirety of 2026 into 2027
Deemed Outside IR35 (pending QDOS assessment)
This Contract Geospatial Data role is a fantastic opportunity to work on cutting edge data problems at a leading environmental risk consultancy. The position has arisen due to the success and growth of Bright Purple’s impressive established client. They are a leading player in their field with a powerful and highly regarded platform built using the latest technologies.
You will be working in a team of software and data engineers supporting data workflow & orchestration, within an AWS environment and must have experience of RASTER data sets.
In this role, you will be:

• Developing ETL pipelines - Raster, Vector, Tabular data
• Configuring CI/CD pipelines
• Managing data storage within an AWS environment
• Improving data automation, workflow and efficiency
• Developing Python based ML pipelines

Key skills for this role include:

• Good knowledge of Python programming
• Experience in cloud computing (ideally AWS)
• Strong experience across industries in both Geospatial and non-Geospatial domains
• Experience with Machine Learning (sci-kit learn, tensorflow, metaflow, MLOps)

Preferred Experience:

• Experience with frameworks like Metaflow, Prefect, etc.
• Experience with geospatial libraries i.e. Raster, Geo-pandas, Vector databases

Bright Purple is an equal opportunities employer: we are proud to work with clients who share our values of diversity and inclusion in our industry.

Rates: Up to £70 UMBRELLA

INSIDE IR35

Site: Bristol

Duration: 6 months

Our clients Embedded Software department is at the core of the organisation’s weapon systems. They create the complex, highly reliable real-time software that powers their missile systems and their components, ensuring that they provide the performance and functionality that users require when they need it.

They are involved all the way through development – from concept studies through trials firings and the move into production and service.

Responsibilities:

• You will act as a technical leader, coach, and change agent, embedding Test Driven Development (TDD) practices into a team of highly capable engineers who have not previously worked in a TDD environment.
• You will shape engineering culture and introduce TDD principles while maintaining clear organisational separation between development and testing.
• You will not only coach the team, you will act as a hands-on test practitioner where you will personally design, implement, and execute most project tests to provide objective evidence of software quality in line with quality assurance requirements.

Skillset/experience required:

Essential

• Strong background in Test-Driven Development practices
• Experience with automated testing frameworks and CI/CD
• Extensive hands-on experience designing and executing automated tests
• Experience establishing test strategies from scratch
• Demonstrated ability to coach experienced engineers
• Strong requirements elicitation and analysis skills

Advantageous:

• C / C++ / MatLab / Similink
• Jetson Orin NX / Linux
• Hardware-software integration
• Simulation or real-time embedded systems
• Safety-critical or high-reliability systems experience

Shift Times: Monday - Friday 37HPW

Pay Rate: £123 Per day Location: Aztec West BS32 4SQ - hybrid role 3 days on site

Overview of the role:

We are recruiting for the role of Project Support Officer in the Technical Directorate of Hinkley Point C (HPC).

As the Project Support Officer, you will be providing support services to the Technical Directorates Leadership, Subject Matter Experts, Project Managers and other key stakeholders to deliver design, surveillance and safety case activities in accordance with Project contracts, cost and schedule. This involves a combination of project coordination, data analysis, financial analysis, reporting and process improvement activities within the Technical Directorate Commercial Management PMO team.

Key Deliverables and Responsibilities:

• Be immersed in the exciting field of Nuclear New Build coordinating with partner EDF entities effectively.
• Support with the coordination and delivery of scope defined in the Responsible Designer and Nuclear Services contracts, also known as the annual Task Orders.
• Provide a suite of written reports and presentations to the Senior Leadership team, Board members and key stakeholders. Maintain set reporting quality standards and deliver weekly, monthly or quarterly reporting outputs on time.
• Communicate with stakeholders frequently, providing updates on task, project and commercial statuses, risks and issues. Facilitate meetings and workshops to foster collaboration among delivery teams, our consultants and other key stakeholders.
• Manage the shared PMO mailbox and calendar, actioning and directing queries efficiently.
• Maintain Technical Directorate intranet pages that signpost reporting and communication via Microsoft SharePoint.
• Act as an administrator of the reporting (Power BI) and document management (Teamcenter and Asite) platforms.
• Personally maintain a professional, accurate and reliable support service.

Skills & Qualifications:

• Experience working in a fast-paced project environment, where priorities can change. Comfort with occasionally ambiguous work requests with a drive to clarify and overcome challenges promptly and with vigour.
• Be self-motivated, enthusiastic, and work on own initiative with good problem-solving skills.
• Able to switch priorities swiftly and in a composed manner and comfortable navigating competing priorities.
• Ability to identify opportunities for improvements to procedures, processes and/or systems.
• Can build productive relationships with stakeholders.
• Good understanding of analysis tools and methods. Able to extract and compile relevant data according to the task in hand.
• Skilled in use of MS Office suite. Power BI Reporting as plus!
• Maintain accurate and timely records (file systems, data, documents and spreadsheets).
• Strong organisational, communication and influencing skills. To be able to articulate to stakeholders, at various levels.
• General administrative and business support experience.

Embedded ADA Software Engineer (3168-1)

JOB LOCATION: BRISTOL

SECURITY CLEARANCE LEVEL: SC needed to start- UKEO

DURATION: 12+ Months

WORK PATTERN: Fully Onsite; Open to 4 Days Compressed Possible

PAY RATE: £65 - £68 Per Hour Umbrella Inside IR35

TARGET INDUSTRIES AND COMPANIES. Is Defence a must?

If not what industries can be considered

Ideally- Defence & Aerospace

Open to others with similar processes- Nuclear, Medical or Rail etc.

Essential Skillset & Tools

Essential- ADA, Background in safety critical software.

Desirable- Linux, Doors, Dimensions, Rhapsody, UML, Mascot etc.

Overview:

We work on technology that is at the forefront of European missile system design, delivering safe, secure, and reliable products to our customers.

The System software department covers all aspects of command and control software (C2) for both land and maritime missile systems.

We are expanding the Sea Viper and Sea Ceptor missile C2 team for the development of the next generation of advanced maritime air defence systems.

Responsibilities:

We work across the entire software engineering lifecycle, from discussing requirement change with the Systems team, all the way to being involved with qualification and software releases.

Skillset/Experience Required:

Essentials:

Experienced in ADA

SC cleared

Solid background in Safety critical SW from Def, aero, rail, nuclear or medical sectors.

The development is Safety critical, so a high standard of coding, process & documentation is required.

Good to Have:

Formal design methods and tools: Doors, Dimensions, Rhapsody/UML/SysML/Mascot

Experience in developing Linux and networking applications

(IAC / Orchestration / Python / Ansible)

KEY HIGHLIGHTS

• £450 - £700 per day
• Corsham - 2-3 days onsite / 2 days remote
• SC clearance required - DV desirable
• Work on a major UK Defence digital transformation programme

ABOUT THE CLIENT

Our client is delivering critical infrastructure automation capability across a large-scale UK Defence platform. Operating within a highly secure environment, they are responsible for developing zero-touch, automated infrastructure solutions across complex, multi-vendor estates. Due to continued programme demand, they are seeking an experienced Infrastructure Automation Engineer to support delivery across secure platforms.

THE BENEFITS

• Day rate up to £700
• Hybrid working (Corsham-based secure site)
• Long-term Defence programme
• Exposure to large-scale infrastructure automation
• Agile delivery environment using modern DevOps tooling

THE INFRASTRUCTURE AUTOMATION ENGINEER ROLE

As an Infrastructure Automation Engineer, you will design, develop and validate automation components forming part of a secure Defence platform. You will reverse engineer legacy and manual build processes into parameterised, zero-touch automation packages, working primarily with Python3, Ansible and scripting technologies. The role includes producing production-quality code, contributing to design artefacts, supporting system testing, and working within Agile teams using the Atlassian toolset.

INFRASTRUCTURE AUTOMATION ENGINEER ESSENTIAL SKILLS

• Active SC clearance (DV preferred)
• Strong hands-on experience with Python3 automation development
• Experience with Ansible, Puppet or Chef
• Scripting experience in Bash and/or PowerShell
• Experience automating server, network and storage technologies
• Exposure to large infrastructure environments
• Strong troubleshooting and problem-solving capability
• Experience working in Agile teams
• Version control experience (Git / BitBucket)

Relevant certification (e.g. CCNP, VCP, RHCE, OCA) highly desirable.

TO BE CONSIDERED

Please either apply through this advert or email me directly via w.
For further information please call 0117 284 0050.
By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only.

KEY SKILLS

Infrastructure Automation Engineer, Python3, Ansible, DevOps, SC Clearance, DV Clearance, Bash, PowerShell, Jenkins, Git, Agile, Defence, NSD

World Class Defence Organisation is currently looking to recruit a Test Driven Development Lead subcontractor on an initial 6 month contract.

Rate: £70.00 per hour
Location: Bristol
Hybrid / Remote working: The role will be onsite – a compressed 4 day week (Monday to Thursday is fine)
Contract: 37 Hours per week
Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’
Duration: 6 Months (initially and then ongoing and long-term thereafter)
IR35 status: Inside IR35 (Umbrella)
Interview Process: One stage Video Interview

Test Driven Development Lead Job Description:

The UK Embedded Software department is at the core of the company’s projects.
We create the complex, highly reliable real-time software that powers our missile systems and their components, ensuring that they provide the performance and functionality our users require when they need it.
The department are involved all the way through development – from concept studies through trials firings and the move into production and service.

Responsibilities:

You will act as a technical leader, coach, and change agent, embedding Test Driven Development (TDD) practices into a team of highly capable engineers who have not previously worked in a TDD environment.
You will shape engineering culture and introduce TDD principles while maintaining clear organisational separation between development and testing.
You will not only coach the team, you will act as a hands-on test practitioner where you will personally design, implement, and execute most project tests to provide objective evidence of software quality in line with quality assurance requirements.

Skillset/experience required:

Essential:

Strong background in Test-Driven Development practices
Experience with automated testing frameworks and CI/CD
Extensive hands-on experience designing and executing automated tests
Experience establishing test strategies from scratch
Demonstrated ability to coach experienced engineers
Strong requirements elicitation and analysis skills
Strong communication and facilitation skills
Advantageous:

C / C++ / MatLab / Similink
Jetson Orin NX / Linux
Hardware-software integration
Simulation or real-time embedded systems
Safety-critical or high-reliability systems experience

(IAC / Orchestration / Python / Ansible)

KEY HIGHLIGHTS

£450 - £700 per day

Corsham - 2-3 days onsite / 2 days remote

SC clearance required - DV desirable

Work on a major UK Defence digital transformation programme

ABOUT THE CLIENT

Our client is delivering critical infrastructure automation capability across a large-scale UK Defence platform. Operating within a highly secure environment, they are responsible for developing zero-touch, automated infrastructure solutions across complex, multi-vendor estates. Due to continued programme demand, they are seeking an experienced Infrastructure Automation Engineer to support delivery across secure platforms.

THE BENEFITS

Day rate up to £700

Hybrid working (Corsham-based secure site)

Long-term Defence programme

Exposure to large-scale infrastructure automation

Agile delivery environment using modern DevOps tooling

THE INFRASTRUCTURE AUTOMATION ENGINEER ROLE

As an Infrastructure Automation Engineer , you will design, develop and validate automation components forming part of a secure Defence platform. You will reverse engineer legacy and manual build processes into parameterised, zero-touch automation packages, working primarily with Python3, Ansible and scripting technologies. The role includes producing production-quality code, contributing to design artefacts, supporting system testing, and working within Agile teams using the Atlassian toolset.

INFRASTRUCTURE AUTOMATION ENGINEER ESSENTIAL SKILLS

Active SC clearance (DV preferred)

Strong hands-on experience with Python3 automation development

Experience with Ansible, Puppet or Chef

Scripting experience in Bash and/or PowerShell

Experience automating server, network and storage technologies

Exposure to large infrastructure environments

Strong troubleshooting and problem-solving capability

Experience working in Agile teams

Version control experience (Git / BitBucket)

Relevant certification (e.g. CCNP, VCP, RHCE, OCA) highly desirable.

TO BE CONSIDERED

Please either apply through this advert or email me directly via w .

For further information please call 0117 284 0050 .

By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only.

KEY SKILLS

Infrastructure Automation Engineer, Python3, Ansible, DevOps, SC Clearance, DV Clearance, Bash, PowerShell, Jenkins, Git, Agile, Defence, NSD

TPBN1_UKTJ

Python Developer - 9 Months - Outside IR35

Python Developer required by a leading tech company for an initial 9-month contract. It’s fully remote, outside IR35, and will likely extend long-term due to the amount of work they have in the pipeline.

The Role:

You will be part of a rapidly growing software team helping to deliver their leading analytics application that is being used to help drive critical decision-making from gathering large amounts of intelligence on humanity and its use around the world - tech for good, you could say!

As a Python Developer, you will be responsible for various tasks, mainly focusing on writing Python code to process and load data into the client’s proprietary service. The main tools you will be using day to day are:

Python

Django

ETL pipelines

Docker

AWS

You:

Our customer is looking for someone well-versed with the above tools/technologies, and they need someone who has a strong understanding of Python and is willing to roll their sleeves up as this project is critical for them.

As a team member, they expect you to pick up their tooling pretty quickly, work closely with others in the group and help build upon an already industry-leading product.

Rate / Process:

Depending on the candidate’s preference, this urgent role based in Bath can offer a hybrid or fully remote working model.

It’s a two-stage interview process consisting of a call with the Head of Engineering and other team members.

We can organise interviews within a few days as this is an absolute priority across the business.

Rate-wise, it’s paying 400 - 450 per day + VAT.

If this interests you, please apply immediately and call Andy Weir at Cathcart Technology.

Cathcart Technology is acting as an Employment Business in relation to this vacancy.

Job Title: Senior Engagement Manager
Max Rate: Market Rate via Umbrella
Start Date: ASAP
End Date: Dec 2026
Clearance required: Active SC and Sole UK National
Location: Bath - 2 days per week in office

Job Description:

Your role

Working from within our Delivery Excellence Group, you will primarily work on delivering projects that will lead to the convergence of physical and digital worlds through technology, engineering and manufacturing expertise to boost our clients’ competitiveness.

Your responsibilities will include:

Client liaison
Bid management
Project planning
Task Tracking and reporting
Revenue management
Profitability
Productivity
Forecasting and project finances
Risk management
Quality control
Continuous process improvement
Problem resolution
Resource allocation
Client satisfaction.

Essential

Experience of delivering complex software engineering development projects and subcontracted hardware projects in a leading/management role throughout the project life cycle
Experience of delivering complex 20m+ development projects in Aerospace or Defence sectors.
10 years’ experience in project and programme management roles
Leadership and delegation of complex, multi-functional teams
Proficient with Project Finances, Revenue Recognition, Margin Improvement, Risk Management and Month-end Reporting
Proven ability to plan and organise projects effectively, with excellent attention to detail.
A developed understanding of business and finance, project planning and scheduling, budgeting and cost management, revenue recognition and contract management.
Proven ability to review and challenge schedule critical path activities within Microsoft Project and lead teams to deliver projects on time

Preferable
Knowledge and experience of the CADMID Lifecycle
Experience of delivering development projects in the Maritime Sector

Scala Engineer - MDTP - PlatOps
Clearance Required: BPSS
Duration: 6 months
Location: Bristol (once a month for team meeting.)
IR35 Status: Mandated PAYE only

We are heading up a recruitment drive for a global consultancy that require a Scala Engineer to join them on a major government project that’s based remotely.

Key Skills and Qualifications:

• Extensive experience in Scala development, with a deep understanding of functional programming principles and best practices.
• Proficiency in Play Framework or similar Scala web frameworks.
• Strong expertise in cloud technologies, particularly AWS services such as EC2, S3, Lambda, and IAM.
• Experience with infrastructure as code tools like Terraform for provisioning and managing AWS resources.
• Excellent collaboration and communication skills, with the ability to work effectively in cross-functional Agile teams.
• Proven problem-solving abilities and a proactive approach to investigating and resolving technical challenges.
• Commitment to continuous learning and upskilling, with a passion for staying updated on emerging technologies and industry trends.
• Demonstrated leadership capabilities, with a track record of mentoring and guiding team members to achieve technical excellence.
• Bristol, United Kingdom

JOB LOCATION: Bristol SECURITY: SC is Must DURATION: 12+ Months (Possibility for Extensions) TYPE: Contract WORK PATTERN: Mon –Fri – Full time onsite/ Open to 4 days compressed PAY RATE: £65 /hr (Umbrella Inside IR35) Overview of Department: Our team, at our Bristol facility, develop solutions for the next generation of Air Defence Systems; developing evolving products whilst maintaining our enviable reputation for safety, performance and dependability. Responsibilities: This is a very hands-on role and requires the continued design and development of new and evolving software tools and architectures, and the instantiations for future products. Perfect for a Software Engineer who is proactive and takes the initiative. Skillset / Experience Required: • A strong background in software engineering, its realisation and system wide impact. • Experience of working in Java • Collaborative, open approach to development and have the ability to work well in a team and maintain momentum during development. • Experience of working across the entire software development process from engaging with requirement authorities to automated target integration and proving, supported with effective documentation • Experience of new tools, techniques and approaches that might enable us to evolve our processes to improve our efficiency and sustainability • Experience in other languages such as Ada • Knowledge of DDS middleware and Real Time Operating Systems • Knowledge of standards such as DefStan 00-55, DO-178C or IEC61508

• 2 year project
• Mainly remote working
• £530 to £575 per day
• SC Cleared Key Skills:
• Python3 Automation
• Ansible, Puppet, Chef Infrastructure Automation Engineer Location: UK | Clearance: SC Required We’re looking for an experienced Infrastructure Automation Engineer to support the design, development and delivery of automation solutions for the NSoIT(D) platform. You’ll focus on building robust, scalable automation using Python3, Ansible and Bash, working across complex infrastructure and hardware environments. Key Responsibilities Design, build and maintain zero-touch infrastructure automation. Reverse engineer legacy/manual builds into fully automated deployments. Develop production-grade code using Python3, Ansible, Bash. Use Git / Bitbucket for version control and peer reviews. Produce technical documentation and design artefacts. Support system testing and resolve service issues. Work within an Agile delivery environment. Essential Skills & Experience Minimum 12 months hands-on experience (last 3 years) in: Python3 automation development Configuration management (Ansible, Puppet or Chef) Bash scripting Automated deployment of server, network and storage platforms Large-scale infrastructure environments Troubleshooting hardware/software faults Agile delivery Advanced Python experience (e.g. DSC, workflows, bare-metal deployment). One current certification: CCNP / VMware VCP / RHCE / RHCA / OCA (or equivalent). Strong communication and problem-solving skills. Active SC Clearance

Automation Engineer

+6 months +

+Hybrid - occasional travel to Corsham

+SC cleared role - current active clearance is essential

• 550 - 575 a day

+Inside IR35

Skills:

+Automation

+DevOps

+MOD

+SC clearance

We’re looking for an experienced Automation Engineer to join a fast-paced, Agile delivery team supporting large-scale, multi-vendor infrastructure environments. You’ll play a key role in developing automated solutions, building robust web services, and ensuring consistent, secure deployment across complex architectures.

This role is ideal for an engineer who enjoys solving problems, streamlining processes, and working collaboratively within high-performing technical teams.

Essential Skills & Experience

To be considered, candidates must have at least 12 months of hands-on experience within the last 3 years in:

• Creating PHP and JavaScript web services
• Consuming REST-based web services
• Consuming SOAP-based web services
• Automated deployment of server, network, and storage technologies across multiple vendors
• Building or supporting large infrastructure environments
• Troubleshooting hardware and software component failures
• Working effectively within an Agile development team

Additional essential requirements:

• Strong written and verbal communication skills
• High-level analytical and critical thinking capability
• Valid Security Clearance (SC)
• Competency with the Microsoft Office Suite

Desirable Skills & Qualifications

The following experience is beneficial:

• Previous work within the UK public sector, ideally Defence or Defence Digital (formerly ISS)
• Experience delivering accredited secure solutions within UK Government environments

If you’d like to discuss the Automation Engineer role in more detail, please send your updated CV to (url removed) and I will get in touch.

We are looking for a Senior RAMSS Engineerin our Rail Infrastructure business where you ll be responsible for conducting the required engineering safety assurance and RAM activities for a portfolio of new and existing UK mainline and metro railway projects.

Within this role, you will be planning safety and RAM activities, conducting hazard identification exercises, hazard analysis and hazard record management, gathering safety assurance evidence, RAM analysis, producing application safety case arguments and liaising with key stakeholders.

You ll make a difference by

• Developing effective strategies to ensure our products, systems and applications are safe and reliable
• The daily Engineering Safety Management of the portfolio of UK mainline and metro rail projects
• Carrying out RAM requirements capture, analysis, modelling, prediction and demonstration of designs
• Putting together safety arguments and safety cases to gain railway authority approval
• Monitoring the system design and implementation and produce Engineering Safety and RAM analysis material that provides sufficient evidence to all concerned such that the developments and changes to Schemes, Configurations, Systems and Products undertaken by Siemens Mobility meet their System Safety and RAM requirements throughout the whole lifetime of that development or change
• To support the Head of Safety Assurance in developing the department functional road map, delivery of safety / CSM training to the wider business and other tasks as appropriate to this role

Your success will be grounded by

• Degree or equivalent in Electrical/Electronic/Computer Science or related discipline
• Understanding and application experience of RAM management and RAM engineering processes such as RAM planning, RAM analysis, RAM requirements capture, FRACAS and production of RAM Demonstration reports
• Previous experience in the UK rail industry with respect to the Engineering Safety / RAM management of turnkey mainline or mass transit railway projects
• Understanding and application experience of verification and validation techniques including an appreciation of signalling principles testing and Engineering Safety management and Engineering Safety processes such as safety planning, hazard analysis, safety requirements capture and safety case development
• Experience or knowledge of producing the following: Hazard Identification, System Hazard Record Management, System Hazard Analysis Reports, Application Safety Cases (structured to CENELEC50129)
• Knowledge and experience with CENELEC 50126/50128/50129 and IEC 61508 standards

Our client, a prominent organisation within the Defence and Security sector, is seeking a highly skilled IAC - Orchestration Software Engineer with SC clearance to join their team on a contract basis. This role involves supporting the design, development, and validation of infrastructure automation components that underpin complex military and security systems. You will work at the forefront of automation technology, creating solutions that integrate hardware features and external APIs, ensuring reliable, repeatable deployments within critical environments.

Key Responsibilities:

• Design and develop automation modules using Python3, Ansible, Jenkins, Bash, and PowerShell, focusing on hardware components and external services.
• Reverse engineer legacy applications and manual build instructions to craft dynamic, zero-touch automation packages.
• Create high-quality, production-ready code aligned with industry standards and internal policies.
• Utilise version control tools such as GIT and BitBucket for code management and peer reviews.
• Produce detailed design artefacts and support testing activities across the system environment.
• Coordinate with service management to resolve technical issues efficiently.
• Maintain documentation within Atlassian tools like JIRA and Confluence to ensure seamless tracking of tasks and knowledge sharing.
• Collaborate within an agile team environment to deliver reliable infrastructure automation solutions.

Job Requirements:

• Significant experience in developing complex Python3 automation classes for production systems.
• Hands-on experience with configuration management tools such as Ansible, Puppet, or Chef.
• Proficiency in scripting languages like Bash and PowerShell for OS automation.
• Experience deploying server, network, and storage technologies across multiple vendors.
• Ability to troubleshoot hardware or software component failures effectively.
• Knowledge of building or supporting large infrastructure environments.
• Demonstrable experience with advanced Python3 coding features including workflows and desired state configuration.
• At least one relevant professional certification within the last five years, such as CCNP, VMware VCP, RHCE, or OCA.

Desirable Skills & Qualifications:

• Experience working within the Defence or wider public sector, especially with Defence Digital or delivering secure accredited solutions.
• Knowledge of the Atlassian suite-JIRA, Confluence, Bamboo-for task management and documentation.
• Relevant university-level education in Computer Science or a related field.
• Strong communication skills, both written and verbal, and an analytical mindset to solve complex technical problems.
• Holds a valid Security Clearance (SC).

If you have the technical expertise and security clearance to thrive in this specialised environment, we want to hear from you. Apply now to join our client’s forward-thinking team in Defence & Security.

Orchestration Software Engineer

• 2 year contract working our of Corsham

• Mainly remore working

• 530 to 575 per day

• SC Cleared

Key Skills:

• Python

• Linux RHCA or RHCE

We are looking for an Orchestration Software Engineer to help build and evolve a cutting-edge Infrastructure Automation platform supporting a major UK Defence programme.

You’ll be part of the Infrastructure Automation Engineering Service, designing and delivering robust, scalable automation solutions across complex enterprise environments. Translation: you’ll turn messy, manual, legacy build processes into slick, repeatable, automated deployments. And yes, some of it will fight back.

What You’ll Be Doing

• Designing, developing, and validating infrastructure automation components for the NSoIT(D) platform.

• Writing production-grade automation using:

  • Python 3 (core automation logic)
  • Ansible (deployment)
  • Jenkins (CI/CD & build pipelines)
  • Bash & PowerShell (Linux & Windows automation)

• Reverse-engineering existing applications and manual build processes into fully automated, zero-touch deployments.

• Building automation for server, network, and storage platforms across multiple vendors.

• Creating high-quality technical documentation and design artefacts.

• Supporting system testing and resolving live service issues.

• Working in an Agile delivery environment using JIRA and Confluence.

• Collaborating closely with infrastructure, service management, and security teams.

Essential Skills & Experience

You’ll need at least 12 months’ hands-on experience (within the last 3 years) in most of the following:

• Advanced Python 3 development for production automation.
• Configuration management tools such as Ansible, Puppet, or Chef.
• Bash and PowerShell scripting.
• Automated deployment across server, network, and storage environments.
• Large-scale infrastructure environments.
• Troubleshooting complex hardware and software issues.
• Agile development practices.

Plus:

• Strong experience with advanced Python & PowerShell features (Workflows, DSC, Bare Metal Deployment).

• At least one current professional certification, such as:

  • CCNP (or equivalent networking cert)
  • VMware VCP (or equivalent virtualisation cert)
  • RHCE / RHCA (Linux)
  • OCA or formal software development certification

• Excellent communication skills - because automation still involves humans.

• Strong analytical and problem-solving ability.

• Active SC Clearance (mandatory).

• Solid MS Office skills.

Desirable Extras (Nice-to-Haves)

• Experience with JIRA, Confluence, and Bamboo.
• Background in UK Public Sector / Defence, ideally Defence Digital.

• 2 year project

• Mainly remote working

• 530 to 575 per day

• SC Cleared

Key Skills:

• Python3 Automation

• Ansible, Puppet, Chef

Infrastructure Automation Engineer

Location: UK Clearance: SC Required

We’re looking for an experienced Infrastructure Automation Engineer to support the design, development and delivery of automation solutions for the NSoIT(D) platform. You’ll focus on building robust, scalable automation using Python3, Ansible and Bash, working across complex infrastructure and hardware environments.

Key Responsibilities

• Design, build and maintain zero-touch infrastructure automation.
• Reverse engineer legacy/manual builds into fully automated deployments.
• Develop production-grade code using Python3, Ansible, Bash.
• Use Git / Bitbucket for version control and peer reviews.
• Produce technical documentation and design artefacts.
• Support system testing and resolve service issues.
• Work within an Agile delivery environment.

Essential Skills & Experience

• Minimum 12 months hands-on experience (last 3 years) in:

  • Python3 automation development
  • Configuration management (Ansible, Puppet or Chef)
  • Bash scripting
  • Automated deployment of server, network and storage platforms
  • Large-scale infrastructure environments
  • Troubleshooting hardware/software faults
  • Agile delivery

• Advanced Python experience (e.g. DSC, workflows, bare-metal deployment).

• One current certification: CCNP / VMware VCP / RHCE / RHCA / OCA (or equivalent).

• Strong communication and problem-solving skills.

• Active SC Clearance

Our client, a key player in the defence and security sector, is seeking an Infrastructure Automation Engineer with SC clearance to support critical infrastructure projects. This contract role involves working within the defence industry to develop, automate, and optimise systems that form the backbone of national security operations. You will be integral to designing and deploying automation components that enhance system reliability and efficiency, using cutting-edge technologies and tools.

Key Responsibilities:

• Support the design, development, and validation of infrastructure automation components for the NSoIT(D) Platform.
• Create production-quality automation scripts and classes using Python3, Ansible, and Bash, focusing on hardware features, services, and configurations.
• Reverse engineer legacy applications and build parameters for reliable zero-touch automation deployment.
• Adhere to industry standards and internal policies, utilising version control tools like GIT and BitBucket.
• Produce and review design artefacts at all development levels.
• Collaborate with wider testing teams and resolve system issues in support of smooth deployment.
• Troubleshoot hardware and software failures within large infrastructure environments.
• Participate in Agile development teams to deliver iterative improvements and solutions.

Job Requirements:

• At least 12 months’ recent hands-on experience in creating complex Python3 automation classes for production systems.
• Experience with configuration management tools such as Ansible, Puppet, or Chef.
• Proficiency in scripting languages, particularly Bash.
• Demonstrable experience deploying server, network, and storage technologies across multiple vendors.
• Understanding of building and supporting large infrastructure environments.
• Strong troubleshooting skills for hardware and software component issues.
• Experience working within Agile development teams.
• Advanced Python3 skills, including workflows, Desired State Configuration, and Bare Metal Deployment.
• Hold a valid Security Clearance (SC).

Desirable Skills and Qualifications:

• Knowledge of the Atlassian toolset (JIRA, Confluence, Bamboo) for project documentation.
• Experience working within the defence sector, particularly with Defence Digital or delivering secure solutions within the UK Public Sector.
• A university degree in Computer Science or a related discipline at Bachelors or Masters level.
• Relevant professional certifications such as CCNP, VMware VCP, RHCA/RHCE, or OCA.
• Strong written and verbal communication skills.
• Critical thinking and analytical abilities to propose innovative solutions.

If you have significant experience in infrastructure automation within defence or security environments, and hold SC clearance, this is an excellent opportunity to contribute to vital national projects. Apply now to be part of this critical mission.

• 2 year projects based out of Corsham

• Hybrid - mainly remote working roles

• £500 to £570 per day - Dependent on experience

• SC Clearance required

Key Skills:

• VMware ESXi, vSAN, vCenter

You’ll support the design, build, validation and ongoing improvement of a large-scale virtual infrastructure environment forming the core of the NSoIT(D) platform. This role sits within a highly technical engineering team delivering secure, resilient, enterprise-grade virtualisation solutions.

Key Responsibilities

• Design, build and validate VMware-based virtual infrastructure.
• Produce and review technical design documentation.
• Support system testing and service transition.
• Troubleshoot complex platform issues and support incident resolution.
• Work closely with service management and wider engineering teams.

Essential Skills & Experience

• 3+ years’ hands-on experience with enterprise virtualisation environments.

• Strong expertise across:

  • VMware ESXi (DVS, DRS, DPM)
  • VMware vSAN (Hybrid & All-Flash)
  • VMware vCenter (HA, clustering, cross-site resilience)
  • VMware NSX (micro-segmentation, cross-site VC NSX)
  • VMware Horizon (AppVolumes, AppStacks)

• VMware certification (VCP or equivalent) gained within the last 5 years.

• Strong troubleshooting, communication and documentation skills.

• Active Security Clearance (SC).

• Comfortable working in enterprise, highly secure environments.

Desirable

• Public sector/defence experience.
• Experience delivering secure, accredited solutions.
• Agile & Waterfall delivery experience.
• Large-scale virtual infrastructure environments.
• JIRA/Confluence.
• Networking certifications (CCNA, NSX-DC).
• Computer Science degree.
• Secure multi-tenant architecture experience.
• Chartered Engineer status.