Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems.

This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support real-world trading strategies. As a senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability.

You will primarily work within a C# / .NET / SQL Server / ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications.

Key Responsibilities

• Design, develop, and maintain high-performance applications in C# and .NET
• Lead architectural discussions and contribute to technical direction
• Build scalable, reliable systems to support automated trading and research
• Develop and optimise database solutions (SQL Server or equivalent)
• Improve performance, reliability, and automation across systems
• Mentor junior developers and promote best engineering practices
• Participate in code reviews and enforce high standards of quality
• Collaborate closely with researchers and traders to translate requirements into robust software solutions
• Contribute to continuous improvement of development processes and tooling

Required Skills & Experience

• BSc (or higher) in Computer Science or a related scientific discipline
• Strong recent experience with C# and the latest .NET platform
• 5+ years of professional software development experience
• Solid experience with SQL Server, Oracle, or equivalent relational databases
• Strong understanding of object-oriented design principles and software architecture
• Experience building production-grade, scalable systems
• Fluency in English with excellent written and verbal communication skills
• High attention to detail and a thorough, analytical mindset

Desirable

• Experience in multi-threaded and concurrent application development
• Network programming experience (TCP/UDP)
• Experience with distributed version control systems (Git)
• Strong understanding of Windows technologies
• Exposure to financial markets or trading systems

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Our client is recruiting for an IT Manager to lead their internal IT function in London.

This is a fully office-based role within a Mac-focused professional services environment, requiring strong technical expertise, team leadership, and a proactive approach to infrastructure management and security.

The Role

This position is responsible for overseeing all IT systems and infrastructure, managing two IT Engineers, and driving IT projects forward in line with business objectives. The environment is approximately 95% Mac-based, and the successful candidate must have extensive experience managing macOS environments using Jamf Pro and related tools.

Security, performance, and reliability are critical, particularly within a regulated professional services setting handling confidential client data.

Key Responsibilities
• Full ownership and management of IT infrastructure and services
• Leading, mentoring, and developing a small IT team
• Managing Mac hardware lifecycle, deployment, and updates via Jamf Pro
• Administration of Linux servers, including scripting, web, file, and directory services
• Managing networking infrastructure including firewalls (SonicWall essential), switches, and wireless access points
• Overseeing VOIP/SIP systems (3CX), virtual environments (Hyper-V, VMware), and storage (Synology/QNAP)
• Managing Active Directory, VPNs, server/application security, and print services
• Monitoring SLAs and ticketing systems, ensuring service standards are maintained
• Preparing and presenting annual IT budgets and reporting regularly to stakeholders
• Managing service contracts, renewals, and the firm’s asset register
• Providing hands-on support for user issues, practice management systems, and infrastructure
• Being available out of hours in the event of critical IT incidents

The Candidate
• Extensive experience supporting and deploying macOS in a business environment (Jamf Pro essential)
• Strong Linux administration and command-line scripting skills (Bash/Python)
• Proven networking expertise including SonicWall, Brocade, and Ubiquiti
• Experience with Dell servers, VMware/Hyper-V, storage solutions, and server security
• Working knowledge of Windows 10/11 and Windows Server environments
• Demonstrable experience managing an IT function and reporting to senior stakeholders
• Strong documentation skills and structured approach to infrastructure management
• Flexible, solutions-focused, and confident supporting users at all levels

What’s on Offer
• Senior leadership role with full responsibility for IT strategy and delivery
• Stable, professional services environment
• Opportunity to modernise and develop infrastructure
• Competitive salary dependent on experience

Should you have any questions or wish to apply please do not hesitate to contact Clear Legal Recruitment Limited.

Please Note: Due to the number of applications we receive we may be unable to respond to every application directly. If you have not heard from us within 3 working days please assume your application has been unsuccessful

Our client is recruiting for an IT Manager to lead their internal IT function in London.

This is a fully office-based role within a Mac-focused professional services environment, requiring strong technical expertise, team leadership, and a proactive approach to infrastructure management and security.

The Role

This position is responsible for overseeing all IT systems and infrastructure, managing two IT Engineers, and driving IT projects forward in line with business objectives. The environment is approximately 95% Mac-based, and the successful candidate must have extensive experience managing macOS environments using Jamf Pro and related tools.

Security, performance, and reliability are critical, particularly within a regulated professional services setting handling confidential client data.

Key Responsibilities
• Full ownership and management of IT infrastructure and services
• Leading, mentoring, and developing a small IT team
• Managing Mac hardware lifecycle, deployment, and updates via Jamf Pro
• Administration of Linux servers, including scripting, web, file, and directory services
• Managing networking infrastructure including firewalls (SonicWall essential), switches, and wireless access points
• Overseeing VOIP/SIP systems (3CX), virtual environments (Hyper-V, VMware), and storage (Synology/QNAP)
• Managing Active Directory, VPNs, server/application security, and print services
• Monitoring SLAs and ticketing systems, ensuring service standards are maintained
• Preparing and presenting annual IT budgets and reporting regularly to stakeholders
• Managing service contracts, renewals, and the firm’s asset register
• Providing hands-on support for user issues, practice management systems, and infrastructure
• Being available out of hours in the event of critical IT incidents

The Candidate
• Extensive experience supporting and deploying macOS in a business environment (Jamf Pro essential)
• Strong Linux administration and command-line scripting skills (Bash/Python)
• Proven networking expertise including SonicWall, Brocade, and Ubiquiti
• Experience with Dell servers, VMware/Hyper-V, storage solutions, and server security
• Working knowledge of Windows 10/11 and Windows Server environments
• Demonstrable experience managing an IT function and reporting to senior stakeholders
• Strong documentation skills and structured approach to infrastructure management
• Flexible, solutions-focused, and confident supporting users at all levels

What’s on Offer
• Senior leadership role with full responsibility for IT strategy and delivery
• Stable, professional services environment
• Opportunity to modernise and develop infrastructure
• Competitive salary dependent on experience

Should you have any questions or wish to apply please do not hesitate to contact Clear Legal Recruitment Limited.

Please Note: Due to the number of applications we receive we may be unable to respond to every application directly. If you have not heard from us within 3 working days please assume your application has been unsuccessful

SecOps Engineer - Central London

Up to 75,000 PA

Well-established and highly profitable construction engineering business is seeking an experienced SecOps Engineer to join them on a permanent basis. This is a critical leadership role within an organisation undergoing significant digital transformation, with ambitious growth and acquisition plans driving demand for scalable, standardised and efficient business applications.

This role is ideal for a proactive security professional with strong technical expertise across application, network and infrastructure security. You will play a key part in implementing security controls, mitigating risk and contributing to the continuous improvement of the company’s overall security posture.

Responsibilities:

• Monitor security tools including SIEM (QRadar) and respond to threat detection alerts
• Triage, analyse and prioritise security (via ServiceNow)
• Investigate root causes of security issues and design effective remediation solutions
• Oversee Patch Management
• Conduct vulnerability scans with Qualys, analyse results and prioritise remediation
• Document SecOps processes and create knowledge base articles in line with best practices
• Automate security tasks and toolchains using scripting (PowerShell, Batch, etc.)
• Collaborate with external SOC teams
• Prepare post-incident reports and root cause analyses
• Manage end-user device (EUD) security via MS Intune, Sophos and NinjaOne
• Schedule and assess vulnerability scans on critical infrastructure
• Maintain patching compliance for OS, Microsoft Office and third-party applications
• Support infrastructure teams to deploy systems, enhance security policies and manage security-driven changes
• Produce weekly security operations reports
• Manage Cisco Umbrella web filtering and SSL inspection policies

Requirements:

• Previous hands-on experience in SecOps or Incident Response
• Recognised Security certifications such as Security+, CEH, or Microsoft security certifications
• Strong knowledge of Microsoft Windows OS security and hardening
• Working PowerShell scripting ability for automation tasks
• Solid understanding of cloud-native security across M365, Azure and AWS
• Experience with enterprise IT infrastructure

Any experience with the following will be highly favoured:

• Strong experience with Qualys
• Exposure to Varonis
• Network security knowledge or relevant certifications (TCP/IP, VPNs, routing, segmentation)
• Experience working with ServiceNow

Initially 4 days per week onsite, dropping to 3 once passed probation (this is not negotiable).