Site Reliability Engineer (SRE) - Defence / National Security - £75k - Farnborough - Hybrid

A permanent opportunity for an experienced Site Reliability Engineer who enjoys building secure, automated, and highly reliable platforms. This role sits within a defence and national security environment, working on modern infrastructure where automation, resilience, and secure-by-design principles are fundamental.

You’ll work closely with platform engineers, infrastructure teams, and operational stakeholders to take requirements from early design and proof-of-concept through to production. The role blends hands-on engineering with technical design, offering real influence over tooling, standards, and DevOps ways of working. It suits someone curious, detail-oriented, and comfortable working in complex, regulated environments.

What you’ll be doing

Designing, delivering, upgrading, and maintaining core platforms, services, and automations

Building and improving monitoring, alerting, and observability platforms

Designing secure infrastructure using automation-first approaches

Creating and productionising proofs of concept for new tools and technologies

Diagnosing and resolving performance, reliability, and availability issues

Supporting architecture, documentation, and non-functional requirements

Mentoring engineers and helping improve DevOps and SRE practices

Essential experience

Strong experience with Linux (Ubuntu) and Windows Server environments

Hands-on scripting skills (Bash, Python, PowerShell or similar)

Proven experience with automation and DevOps tooling (Ansible, Terraform, CI/CD, Git)

Experience working with Azure or similar cloud platforms

Solid understanding of infrastructure reliability, monitoring, and incident response

Strong problem-solving skills and ability to work across multiple priorities

Willingness to work in secure, regulated environments (SC eligibility required)

Desirable experience

Infrastructure-as-Code lifecycle and best practices

Containerisation and orchestration (Docker, Kubernetes)

Configuration management and desired state tooling

Application and platform monitoring tools (Splunk, Nagios or similar)

Experience hardening systems and conducting security assessments

Understanding of Agile and DevOps principles in practice

A collaborative, inclusive culture with strong benefits including competitive pay, bonus, pension, private healthcare, generous leave, professional development, wellbeing perks, and modern on-site facilities.

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About Sparta Global

Embark on a transformative career journey with Sparta Global, where diversity, innovation, and passion for technology converge. We welcome individuals from all backgrounds, offering not just jobs, but dynamic careers in the tech industry. You’ll work alongside enthusiastic professionals, receiving top-tier training and mentorship to hone your skills for success in both public and private sectors. Our commitment to designing impactful careers and coaching future leaders is evident in our over 10 prestigious awards in Learning & Development and Equality, Diversity & Inclusion. As a Top 20 Employer for Social Mobility and a proud B-Corp certified organisation, we’re not just advancing careers; we’re fostering a more diverse, equitable, and inclusive tech landscape. Join us in shaping the future of technology - where your growth is our mission, and your success, our pride. Apply now to be part of our award-winning team at Sparta Global.

About this role

Automation Testing is at the core of defining, developing and testing products for businesses and their customers. Development is a playground where you can create what’s needed when you need it.

You will play a vital role working within a cross functional team, participating in the development of software with a primary focus being on the testability and performance of software applications.

You’ll be able to set up full frameworks to perform thousands of tests in a heartbeat on multiple application platforms such as mobile, desktop and web. This feeds into every level of test whether it’s unit level, functional, performance and regression.

Automation is a major component of agile teams who work diligently to deliver value in short time frames, the execution of scripts and their application in the DevOps pipeline can mean delivery of functional code in unprecedented timeframes.

We’re not expecting you to have the proficiencies right away - that’s where our award-winning Academy comes in. We are the experts in building skills and confidence in a fun and supportive environment that will not only challenge you but also develop your specialist capabilities ready to work on our clients’ projects.

What we’re looking for.

To be successful for this role you will demonstrate a level of ability in C#, Java or similar. You will be passionate about technology and eager to learn programme development to an advanced level.

We’re seeking candidates who can exemplify our values:

Empathy and Diversity: Integrity, respect, and a commitment to inclusivity.

Drive: A goal-oriented mindset with pride in exceeding targets.

Collaboration: A team-focused approach, fostering positive relationships.

Innovation: Curiosity, creativity, and openness to diverse ideas.

Flexibility: Adaptability and composure in the face of change.

As a national organisation with clients across the UK, we require all candidates to have the flexibility and willingness to relocate post training for deployment to client site. Remote working cannot be guaranteed. You must have eligibility to work in the UK for the duration of your contract with Sparta Global (British or Irish Citizenship, EU Settled Status, or Permanent Visa Holder). We do not offer visa sponsorships or accept Graduate or PSW Visas due to time limitations.

Why you should apply:

Our environment is designed to nurture your talents and skills, your hard work and progress are not just appreciated - they’re tangibly rewarded. We conduct performance-based reviews every six months, offering you the chance to increase your earning potential twice a year. This regular appraisal system is our way of ensuring that your efforts and achievements are consistently recognised and rewarded.

We also provide:

20 days annual leave + bank holidays.

An extra day off for your birthday.

Pension.

Eye care.

Death in service cover.

Cycle to work scheme.

Season ticket loan.

Employee assistance program.

Yearly budget for personal development.

Access to alumni and community networks.

Opportunities to be brand ambassadors.

Being employed by Sparta Global is an investment in your future that pays dividends along the way. We give you breadth of experience and skills, along with increasing opportunities to develop further and earn more. No two career paths look the same at Sparta.

Our Recruitment Process:

Begin your journey by applying online and our team will review your application. If you pass our initial screening, you’ll be invited to complete our online assessments and first stage interview. If successful, the final stage is a competency-based interview, here you’ll have the opportunity to impress us with your ability to communicate effectively and exhibit behavioural competencies through relevant examples. We’re looking for candidates who can demonstrate a collaborative spirit and a growth mindset.

The Talent Team will be there to support and answer any questions you have. You can also visit our YouTube channel to gain valuable insights and expert advice on virtual interviews, strategies to manage nerves, and tips on nonverbal communication.

We look forward to receiving your application - good luck!

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Role: DevOps Engineer Location: Cheltenham or London Contract duration: 6-12 months Clearance level: eDV We provide talent solutions for the UK government and their critical supply chains. We currently are on the look out for eDV cleared DevOps professionals to join our National Security sector. Key skills: Design and develop innovative cloud-native platforms and applications using AWS, data engineering, and CI/CD practices. Implement and optimize Java, JavaScript, React, and other relevant technologies for full-stack applications. Contribute to batch analytics, Python, and data engineering efforts. Ensure platform and application resilience through effective monitoring and alerting with Prometheus, Grafana, Nagios, and Elasticsearch. Participate in agile development processes, including sprint planning, daily stand-ups, and code reviews. Apply SRE principles to improve system reliability and performance. Proven experience in Java and JavaScript development, with a focus on cloud-native applications. Good understanding of AWS services Additional skills: Experience with containerization (Docker, Kubernetes) and orchestration tools (Helm, ArgoCD). Familiarity with CI/CD tools (e.g. GitLab, Concourse) and monitoring solutions (e.g. Prometheus, Grafana, Nagios, Elasticsearch). Knowledge of batch analytics and Python. If you think you would be a good fit please apply with your most recent CV Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients. If you need any help or adjustments during the recruitment process for any reason , please let us know when you apply or talk to the recruiters directly so we can support you. TPBN1\_UKTJ

TransUnion’s Job Applicant Privacy Notice What We’ll Bring: We Are TransUnion: TransUnion is a major credit reference agency, and we offer specialist services in fraud, identity and risk management, automated decisioning and demographics. We support organisations across a variety of sectors including finance, retail, telecommunications, utilities, gaming, government and insurance. What You’ll Bring: We’re looking for a Software Developer to join our growing Integrations and Decisioning team. Day to Day You’ll Be: Design and build reliable backend systems and infrastructure tooling Use TDD to write high-quality, maintainable code and build out automated test suites Own reliability, observability, and performance of key services Collaborate with clients to understand requirements, debug issues, and propose solutions Drive improvements to system architecture, automation, and deployment processes Mentor junior developers and contribute to a strong engineering culture Take ownership of problems-investigate, iterate, and fix Essential Skills & Experience: Strong programming skills in Node.js or similar backend language Understanding of TDD and a focus on automated testing Comfort working directly with clients to gather requirements and debug issues Strong problem-solving skills and a desire to understand the root cause of complex issues Clear communicator-both in writing and on calls Desirable Skills & Experience: Experience owning backend systems in production environments Experience with Cloud Platforms AWS or GCP Infrastructure-as-code, CI/CD, and observability tooling Experience scaling systems under sustained load Contributions to internal tooling or open source Experience with large datasets and machine learning models Impact You’ll Make: What’s In It For you? At TransUnion you will be joining a friendly, forward thinking global business. As well as an excellent salary and bonus scheme or commission scheme (if joining our sales teams) our benefits package comes with: 26 days’ annual leave + bank holidays (increasing with service) Global paid wellness days off + a bonus day off to celebrate your birthday A generous contributory pension scheme + access to the TransUnion Employee Stock Purchase Plan Private health care + a variety of physical, mental and financial fitness wellbeing programmes such as access to mindfulness tools Access to our diversity forums and communities so you can get involved in causes close to your heart TransUnion - a place to grow: If there’s something on the list of essential / desirable skills that you can’t quite tick off, don’t let that put you off applying. We are open to exploring training and development opportunities for the right candidate to ensure you are successful. We know imposter syndrome is real, lets confront it so we can continue to grow and thrive together. Flexibility at TU: We recognise that our people need the freedom to balance their day-to-day lives with their work. This is why we’ve set out to create inclusive and flexible policies and practices for you to accommodate all your responsibilities and needs: children, family and beyond. If the role is advertised as full time, don’t let this stop you from applying. Let us know if you’re looking for a part time or flexible working arrangement and we can discuss this with you. Additional support: At TransUnion, we’re committed to fostering an inclusive and diverse workplace where all individual’s talents and perspectives are valued. When you apply for a position with us, you’re not just joining a team, you’re becoming part of a community that celebrates differences and embraces equality. We understand that everyone has different needs, which is why we offer a range of reasonable adjustments to our recruitment process. Please let us know if you require any reasonable adjustments to help you through the application process or to attend an interview with us by contacting (url removed) Interview & Hiring Process: Most of our recruitment processes are virtual, so you’ll get to know our hiring managers and teams over the phone and through video. If we need you to attend a physical in person interview your recruiter will inform you of this. We do not accept any unsolicited CV’s from recruitment agencies. If you are a recruitment agency on our PSL our talent team will contact you directly should we require any assistance. #LI-Hybrid Find out more about Life At TU UK: (url removed) Job Title Sr Engineer, Software Development

IDAM Engineer

Must have an Active DV Clearance

An excellent opportunity has arisen for an IDAM Engineer to join a secure and fast paced Defence and National Security programme. You will design and deliver enterprise grade identity and access management solutions while working in a multi skilled agile team focused on high assurance environments.

About the Role - IDAM Engineer

• As an IDAM Engineer, you will design and implement secure identity and access management solutions across on premises environments.
• You will create high level and low level designs and maintain all supporting documentation to meet governance and review requirements.
• The role involves integrating IDAM capabilities across security, infrastructure, and DevOps teams to ensure alignment with existing platforms and future user needs.
• You will own delivery of work packages from design through to implementation and ongoing change, ensuring functional and non functional requirements are met.

What We’re Looking For - IDAM Engineer

• Strong experience with on premise identity products such as NetIQ, One Identity Manager, Forefront Identity Manager, or SailPoint.
• Extensive knowledge of Identity and Access Management technologies and standards.
• Proven ability to create and maintain HLDs and LLDs for identity solutions.
• Experience with role based access control, access request processes, and identity governance.
• Strong understanding of Windows Enterprise technologies, PowerShell scripting, and automation.
• Awareness of automated testing approaches within secure environments.
• Experience working within Agile delivery frameworks.
• Ability to provide SME level guidance to teams and stakeholders.

Lead secure identity services and shape the future of access management as an IDAM Engineer.

To apply, please send your CV by pressing the apply button.

My leading Tech client are looking for a talented and motivated individual to ensure the resilience, performance, and cost-effectiveness of their Azure-based data platform. This role is essential to their data ecosystem, combining platform reliability, incident response, SLA management, cost optimization (FinOps), and deployment oversight.

You will be the single point of contact for operational issues, driving rapid resolution during outages, leading communications with stakeholders, and shaping the processes that keeps their platform running smoothly and efficiently.

This is a newly created role in a growing business. A brilliant opportunity!

The following skills/experience is required:

• Proven operational leadership for large-scale data platforms.
• Expertise in incident management, SLA enforcement, and stakeholder communication.
• Hands-on experience with Azure Synapse, Databricks, ADF, Power BI.
• Familiarity with CI/CD and automation.
• Strong FinOps mindset and cost management experience.
• Knowledge of monitoring and observability frameworks.

Salary: Up to £90,000 + bonus + package

Level: Lead Engineer

Location: London (good work from home options available)

If you are interested in this Lead DataOps Engineer (Big Data) position and meet the above requirements please apply immediately.

Renaissance Global are recruiting for a Mid-Level Data Engineer to join our growing team. Working as part of the Data Engineering team you will be responsible for the design and management of our data and data systems ensuring alignment with strategy and surfacing meaningful data insights. The role will primary be focussed around data format, data quality, data privacy, data sovereignty and defining the data standards that other areas (e.g. Stream Aligned teams) will follow. You will also be responsible for simplifying highly technical and complex information for nontechnical users to understand in the form of dashboards, data visualizations, regular and impromptu reports, and data querying tools for users to get the information they require. Working as part of a platform team the Data Engineer role involves collaborating closely with everyone within the technology team and also the wider business (including data scientists, statisticians, cloud infrastructure engineers, developers, architects, analysts, product owners and the leadership team). Data Engineer Job Responsibilities: When looking at the responsibilities can be broken down into the following: Ability to identify and implement internal improvements around scalability, optimal data delivery and automation capabilities. Develop a set of data guidelines and standards and support other teams in their usage and adoption. To develop, deploy and maintain BI tools and interfaces developing and maintaining custom visuals and dashboards that provide insights into key business metrics and trends that enhance the user experience and facilitate data exploration. Simplifying highly technical language and complex information and provide quantifiable solutions to complex data problems. Write and maintain queries and scripts to extract, transform and load data from various sources into various outputs conducting testing and validation to ensure quality, accuracy and reliability. Produce technical documents on database content and map various databases used in the organisation. Develop, design and analyse data architecture and data models that support efficient data processing and analysis. Ensure optimal performance of our data systems and platforms. Knowledge of (or experience) using CI/CD pipelines Collaborate with stakeholders to identify and define key performance indicators (KPIs) and data sources. Skills and experience required: To be considered for the role of Data Engineer , we are looking for someone with experience with cloud-based data platforms such as Azure or AWS. You will also have: Strong communication and collaboration skills. Experience working with complex data. A logical approach to problem solving. Strong understanding of data modelling, data pipelines and ETL processes. Knowledge of data structures and experience querying and tuning databases. As our Data Engineer, we are looking for someone who aligns with Renaissance's mission to accelerate learning for all children and adults of all ability levels and ethnic and social backgrounds, worldwide, we are looking for someone who is/ has: Ability to communicate clearly at all levels and across functions Proficiency in SQL and other programming languages commonly used in data analytics (e.g., Python, R). Experience with Microsoft Azure data services. Experience working within a DevOps culture Strong engagement with senior colleagues, individually and as a team Champions positive change Effective management of time and priorities and impacts Motivated to make a positive difference in the lives of teachers and children worldwide Additional information: We offer a competitive basic salary of between £32,000-£37,000 per annum, dependant on experience, Plus lots of amazing benefits. We are also open to part time options should this work for you. Benefits: Pension & Insurance – all employees can participate in our salary sacrifice company pension scheme administrated by Aviva – where we will contribute 8% of your annual salary if you contribute just 3% to your pension. All employees are entitled to Life and income protection insurance Holiday and Bookable Leave - 22 days annual leave per annum, plus 3 complementary days to be used for our Christmas shutdown (usually between Christmas & New Year, plus UK statutory Bank Holidays. We also offer a day off for your birthday so you can celebrate in style, to be used in the month of your birthday. We also offer every UK based employee up to 5 paid volunteering days per year with a cause of your choice.    Shopping & Working for Renaissance Perks - you’ll get instant access to a benefits and discount platform with 1000’s of discounts at retailers, leisure attractions, restaurants, and more through our portal provided by Reward Gateway. You will also be able to collect Renaissance Rewards via our employee recognition Platform, these points can be used to purchase items including vouchers on Renaissance Rewards platform. You will also get access to Smart tech where you can get your electrical household and personal items at the best price and spread the cost through your salary, interest free, up to £5000.     Wellbeing & Health – We have a generous maternity/paternity/adoption leave and pay policy, employee assistance programme available 24/7 offering confidential support from counselling to legal and financial advice, including Family Support Services – a specialist bereavement support to help through the most difficult times via our Help@Hand app. This app includes access to GP, physio, nutrition, counselling support, medical appointments, and so much more.         Renaissance UK Office benefits – All Hybrid working employees are entitled to apply for a season ticket loan, use the amazing cycle to work scheme where you can get on your bike for less, save money, and get fit - that‘s a win-win for us! All UK Offices have fruit baskets delivered for all to enjoy a healthy snack each week.  We have an ongoing commitment to Diversity, Equity and Inclusion and have taken strides to become a more welcoming and inclusive workplace, including the introduction of our DEI Matters Network which is owned and driven by our staff. We are an equal opportunities employer. We encourage and welcome applications from all underrepresented groups, as we believe and strive for community representation within our organisation. If you have a disability and would prefer to apply in a different format or would like us to make reasonable adjustments to enable you to apply or attend any interview, please contact us and we will talk this through with you. All your information will be kept confidential according to GDPR guidelines. Please note that we can only consider applicants who already hold a full work permit.