Serco
Senior Network Engineer
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Senior Network Engineer
Senior Network Engineer
Hybrid Role – Attached to Solihull or London Office
Full Time, Permanent
Band 4 / £70,000–£80,000 (dependent on experience)
Must be eligible for and able to obtain SC Clearance
About the Organisation – Serco
As a global organisation with over 50,000 employees, Serco relies on resilient, secure, and high-performing IT services to support operations across the UK, Europe, and internationally. Weempower essential services in defence, transport, justice, immigration, healthcare, and citizen services. Every team plays a crucial role in improving public services and lives around the world.
We are seeking a **hands-on Senior Network Engineer who thrives on problem-solving in dynamic environments. This role demands proactive leadership, technical depth, and the confidence to drive solutions—not someone who waits for direction.
About the Role
As a technical lead within the Network Service, your work will shape and evolve Serco’s enterprise network services, covering multi-cloud environments, core connectivity, security, and operational delivery. You’ll collaborate with stakeholders, solution architects, operational teams, and suppliers to ensure our network infrastructure remains secure, scalable, performant, and future-ready.
Key Responsibilities
- Lead the technical design, engineering, and evolution of Serco’s enterprise network services, including architecture for AWS and Azure.
- Design and support secure, multi-cloud networking solutions, ensuring alignment with business needs.
- Work closely with Product Owners, Solution Architects, operational teams, and third-party suppliers to deliver robust, scalable network solutions.
- Develop and maintain high-quality architecture documentation, including:
- High-Level Designs (HLDs)
- Low-Level Designs (LLDs)
- Network diagrams
- Drive continuous improvement across network performance, resilience, security, and service adoption.
- Troubleshoot complex network issues, analyse failures, and provide long-term solutions for operational teams.
- Help define short- and long-term technology roadmaps to keep Serco’s infrastructure secure, scalable, and business-aligned.
- Support new service introductions through:
- Technical analysis
- Deployment planning
- Cost modelling
- Implementation coordination
- Ensure compliance with security best practices, including:
- Zero-trust principles
- Secure, government/regulated environments
- Build strong relationships with stakeholders, suppliers, and business teams within a complex, matrix organisation.
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Requirements
Essential Skills & Experience
- 5+ years’ experience in a senior network engineering or network design role.
- Strong hands-on expertise in:
- Enterprise networking technologies (UPCs, security controls, routing/switching)
- AWS networking & Azure networking architecture and design
- Cisco Meraki technologies
- Network security technologies (firewalls, VPNs, DDoS protection)
- Knowledge and experience with:
- Carrier WAN technologies (e.g. MPLS, leased lines, managed connectivity)
- Working in regulated or government-secure environments (highly desirable)
- Experience with architectural frameworks (e.g. TOGAF).
- Ability to create and maintain technical documentation, including:
- HLDs, LLDs, and detailed network diagrams
- Collaborative experience with suppliers, partners, and third-party operational teams.
- Strong troubleshooting and problem-solving skills for complex enterprise networking environments.
- Occasional need for 24/7 support or escalation cover depending on requirements.
Desirable Certifications
- CCNP Enterprise
- AWS Advanced Networking – Specialty
- Azure Network Engineer Associate
- Palo Alto PCNSE/Prisma
Why Work at Serco?
Purposeful Impact
Your work will be meaningful and vital—contributing to decisions, innovation, and growth within a globally operating business. Every contribution matters, whether in defence, healthcare, transport, or justice, ensuring Serco delivers essential public services effectively.
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Corporate Values
- People-focused culture – A supportive, collaborative team where no two days are the same.
- Chance to innovate – Opportunities to develop new solutions in regulated environments.
- Career growth – Access to training, leadership coaching, and formal study programs to expand your skills.
Work-Life Benefits
✔ Flexible working structures – Hybrid office options to balance work and life. ✔ Pension contributions (6%) – Secure your future. ✔ Employee Assistance Programme & Wellbeing Support – Support for mental and physical health. ✔ Generous discounts on:
- Cinema, Merlin Entertainment memberships
- Mobile phone plans
- Leisure-centre use ✔ Global Employee Networks – Inclusive communities like:
- SercoInspire (Gender)
- SercoEmbrace (Multicultural)
- SercoUnlimited (Disability)
- In@Serco (LGBT+) ✔ Passion for diversity & inclusion – Reasonable adjustments during interviews and employment.
About Serco
Serco operates globally, empowering communities by delivering innovative solutions in defence, transport, justice, healthcare, and immigration. We believe that every individual is essential—from officers managing complex public services to engineers ensuring seamless connectivity.
Our Commitments:
- Disability-Confident Leader status – We offer fair interview opportunities to disabled job seekers meeting minimum criteria.
- Banter the Box pledge – Serco supports fair recruitment for those with unspent criminal convictions, with exemptions for roles requiring Security Clearance.
Ready to make an impact?
Apply promptly—due to high volumes, closing dates may be brought forward unexpectedly.
Connect with our Recruitment Team at: 0345 010 4000 for assistance.
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