Lynx Recruitment Ltd

Job Purpose Provide systems engineering expertise and leadership across multi-disciplinary projects, covering the full lifecycle from requirements capture and architecture development through integration, verification, validation, and commissioning. Support technical delivery, mentor junior engineers, and contribute to the improvement of systems engineering practices. The role reports to the Engineering Manager with close collaboration across engineering teams. Key Relationships Engineering managers, technical managers, principal engineers Project managers and engineering teams (mechanical, electrical, control, software, structural) Support functions (quality, H&S, finance, HR) External clients, suppliers, and subcontractors Main Responsibilities Lead and support systems engineering activities throughout the project lifecycle. Capture, analyse, and manage system and stakeholder requirements with full traceability. Develop system architectures, functional models, and interface definitions. Coordinate integration activities across engineering disciplines. Define and implement verification and validation plans to meet regulatory and customer expectations. Contribute to safety case input, hazard analysis, and risk assessment. Manage supplier and subcontractor technical deliverables. Maintain configuration control and support change management processes. Conduct technical reviews and support design assurance activities. Support technical bids, proposals, and estimating. Mentor junior engineers and support development programmes. Improve systems engineering processes, standards, and toolsets, including model-based approaches. Provide tasking and schedule information to project leads. Assist with administrative activities necessary for the smooth running of the engineering function. Travel as required and participate in meetings across the business. Adhere to all policies relating to ethics, data protection, safety, and regulatory compliance. Promote a safe, inclusive, and collaborative working environment. Professional Development Maintain continuous professional development in line with relevant industry and regulatory expectations.

SENIOR OFFENSIVE SECURITY ENGINEERS - LONDON (REMOTE) £60k-£80k Fully Remote (UK-based) Cybersecurity Scale-Up A fast-growing cybersecurity company is seeking Senior Offensive Security Engineers to strengthen their offensive security capabilities. The Role: Conduct comprehensive penetration testing across web applications, infrastructure, APIs, and cloud environments Perform manual security assessments and exploitation Deliver client-facing penetration testing engagements Write detailed technical reports for various stakeholders Collaborate with internal teams on security improvements Essential Requirements: UK Bachelor's degree in Computer Science, Cybersecurity or related subject (or UK Master's as alternative) 3-5 years commercial penetration testing experience Strong understanding of offensive security techniques, OWASP Top 10, MITRE ATT&CK Deep knowledge of operating systems, networking protocols, and system architecture Experience with penetration testing tools (Burp Suite, Metasploit, custom scripts) Excellent communication and report writing skills Desirable: OSCP, CREST certifications Bug bounty participation Red team experience Cloud security testing (AWS, Azure, GCP) Active involvement in security community (CTFs, conferences, research) Company Culture: Technical excellence and deep fundamentals valued over credentials Graduate-focused environment Continuous learning and passion for technology expected Looking for candidates who demonstrate genuine interest in offensive security Location: Fully remote within UK, optional hybrid working from London office

JUNIOR PCI PENETRATION TESTERS - LONDON (REMOTE) 35,000 - 45,000 Fully Remote (UK-based) Cybersecurity Scale-Up A rapidly growing cybersecurity company is seeking Junior PCI Penetration Testers to join their expanding offensive security team. The Role: Conduct PCI-DSS v4.0 compliance testing including manual penetration testing, quarterly vulnerability scanning, and network segmentation assessments Manage client engagements from scoping through to delivery Perform security assessments using industry-standard tools (Nessus, nmap, Burp Suite, Metasploit) Report findings to technical and non-technical stakeholders Support clients in maintaining PCI-DSS compliance Essential Requirements: UK Bachelor's degree in Computer Science, Cybersecurity or related subject 1+ years commercial penetration testing experience Strong understanding of operating systems, networking fundamentals, and security concepts Exposure to or interest in PCI-DSS compliance testing Programming/scripting experience Genuine passion for security (CTFs, bug bounty, TryHackMe, personal projects) Desirable: Progress towards OSCP, CPENT, CEH, or CompTIA Security+ Experience with vulnerability scanning tools Understanding of PCI-DSS framework Company Culture: Graduate-focused team valuing technical depth and continuous learning Strong computer science fundamentals required Looking for mouldable candidates who demonstrate passion for technology beyond work hours Location: Fully remote within UK, optional hybrid working from London office

Senior Systems Engineer - Defence Communications 65,000 - 70,000 Midlands (Hybrid 3/2) Defense Technology A defence communications company is seeking a Senior Systems Engineer to lead technical development of tactical datalinks, spectrum monitoring systems, and battlespace communications. The Role: Define system architecture and requirements for defense communications products Lead multi-disciplinary teams (RF, Hardware, Software, Mechanical) Own verification and validation activities Support bids, proposals, and customer engagements Lead design reviews (PDR, CDR) and manage technical trade-offs Create system documentation, interface definitions, and test specifications Essential Requirements: 5+ years systems engineering experience Strong systems engineering methods and processes Experience across full engineering development lifecycle Multi-disciplinary coordination (HW, SW, RF, Mechanical) Requirements management and system architecture experience Self-motivated with ability to lead independently British Citizen or SC Clearance eligible Desirable: 7+ years systems engineering experience DOORS or requirements management tools Automotive systems background (ADAS, ECU, ISO26262) Defense, aerospace, or communications systems experience Design review leadership and FMEA experience Product Areas: Tactical datalinks for secure video/IP transmission RF spectrum monitoring and management systems Battlespace communications (COMINT, HF DF, C-UAS) Location: Wappenham, Northamptonshire - Hybrid working (3 days office / 2 days home)