Senior Network Engineer
UK Visa Sponsorship Analytics
Occupation TypeIT network professionals
Occupation Code Skill LevelHigher Skilled
Sponsorship Salary Threshold
£45,600
(£23.38 per hour)
Occupation rate applies
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Description
Senior Network Engineer
Hybrid – Attached to our 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
As a global organisation with more than 50,000 employees, Serco relies on resilient, secure, and high-performing IT services to keep the business running smoothly across the UK, Europe, and internationally.
We’re looking for a hands-on Senior Network Engineer who is proactive, practical, and thrives on solving problems. This is not a role for someone who sits back and waits for direction - we need someone with strong technical depth, common sense, and the confidence to get stuck in, take ownership, and drive solutions through to completion.
You’ll play a key role in shaping and evolving Serco’s enterprise network services, working across multi-cloud environments, core connectivity, security, and operational delivery. Acting as a technical lead within the Network Service, you’ll work closely with internal teams, strategic partners, and operational stakeholders to ensure our network infrastructure remains secure, scalable, performant, and fit for purpose.
As Part Of This You’ll
Hybrid – Attached to our 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
As a global organisation with more than 50,000 employees, Serco relies on resilient, secure, and high-performing IT services to keep the business running smoothly across the UK, Europe, and internationally.
We’re looking for a hands-on Senior Network Engineer who is proactive, practical, and thrives on solving problems. This is not a role for someone who sits back and waits for direction - we need someone with strong technical depth, common sense, and the confidence to get stuck in, take ownership, and drive solutions through to completion.
You’ll play a key role in shaping and evolving Serco’s enterprise network services, working across multi-cloud environments, core connectivity, security, and operational delivery. Acting as a technical lead within the Network Service, you’ll work closely with internal teams, strategic partners, and operational stakeholders to ensure our network infrastructure remains secure, scalable, performant, and fit for purpose.
As Part Of This You’ll
- Lead the technical design, engineering configuration, and strategic evolution of Serco’s enterprise network services.
- Design and support secure multi-cloud networking solutions across AWS and Azure environments.
- Work closely with Product Owners, Solution Architects, operational teams, and third-party suppliers to deliver robust network solutions.
- Produce and maintain high-quality architecture documentation including HLDs, LLDs, and network diagrams.
- Drive continual improvement across network performance, resilience, security, and service adoption.
- Support operational teams in troubleshooting complex network issues and identifying long-term solutions.
We’re looking for someone who combines strong technical expertise with a practical, delivery-focused mindset. You’ll be comfortable rolling your sleeves up, making decisions, and working through problems in complex enterprise environments.
- Strong hands-on experience across enterprise networking technologies including AWS networking, Azure networking, Cisco Meraki technologies, network security technologies and enterprise networking technologies.
- Experience working within regulated or government secure environments is highly desirable.
- Knowledge of carrier WAN technologies including MPLS, leased lines, and managed connectivity services.
- Experience working within architectural frameworks such as TOGAF.
- Strong experience producing HLDs, LLDs, technical architecture documentation, and network diagrams.
- Experience managing and working collaboratively with suppliers, partners, and third-party operational teams.
- Strong troubleshooting, operational support, and problem-solving capability within complex enterprise environments.
- 5+ years’ experience in a senior network engineering or network design role.
- Relevant certifications are desirable, including CCNP Enterprise, AWS Advanced Networking – Specialty, Azure Network Engineer Associate, and Palo Alto PCNSE/Prisma certifications.
- Some environments operate 24/7, so occasional out-of-hours support or escalation cover may be needed.
Why Serco
Meaningful and vital work: In this position, your work is vital to the business, in terms of decisions and growth. You will gain a world of opportunity working for a globally operating business delivering essential services across 5 vital sectors, personal growth, achievement and development won’t be hard to find. You'll also work with great people. You’ll find yourself working in a highly motivated, supportive environment where no two days are the same, with experienced colleagues who strive for excellence.
What We Offer
At Serco, not only is the nature of the work we do important, everyone has an important role to play, from caring for vulnerable people to managing complex public services. We are a team of 50,000 people responsible for delivering essential public services around the world in areas including defence, transport, justice, immigration, healthcare and citizen services. We are innovators, committed to redesigning and improving public services for the benefit of everyone.
By joining Serco you will have unlimited access to our Global Employee Networks – SercoInspire (Gender), SercoEmbrace (Multicultural), SercoUnlimited (Disability) and In@Serco (LGBT & Networks). Serco Employee Networks, led by colleagues who are passionate about diversity, inclusion and belonging.
Apply
Meaningful and vital work: In this position, your work is vital to the business, in terms of decisions and growth. You will gain a world of opportunity working for a globally operating business delivering essential services across 5 vital sectors, personal growth, achievement and development won’t be hard to find. You'll also work with great people. You’ll find yourself working in a highly motivated, supportive environment where no two days are the same, with experienced colleagues who strive for excellence.
What We Offer
- Flexible working considered
- Pension – 6%
- Chance to contribute to innovation in the public services
- A company passionate about diversity and inclusion
- Serco discounts which include cinema, merlin entertainment and online shopping discounts, and discounts on mobile phone plans and leisure centre memberships.
- A range of benefits to support the health and wellbeing of you and your family such as Employee Assistance Programme, Simply Health Cash Plans, and more.
- A wealth of career development training to suit your future aspirations. These range from role specific training, leadership coaching, formal study and much more to support you to build your career with Serco.
- A safe and supportive culture.
At Serco, not only is the nature of the work we do important, everyone has an important role to play, from caring for vulnerable people to managing complex public services. We are a team of 50,000 people responsible for delivering essential public services around the world in areas including defence, transport, justice, immigration, healthcare and citizen services. We are innovators, committed to redesigning and improving public services for the benefit of everyone.
By joining Serco you will have unlimited access to our Global Employee Networks – SercoInspire (Gender), SercoEmbrace (Multicultural), SercoUnlimited (Disability) and In@Serco (LGBT & Networks). Serco Employee Networks, led by colleagues who are passionate about diversity, inclusion and belonging.
Apply
Please click on the apply button to complete your application. Occasionally we receive a large volume of applications for our roles and when that happens we sometimes bring the closing date forward, so please apply promptly to avoid disappointment.
At Serco, we see people first and foremost for their performance and potential. We are committed to building a diverse and inclusive organisation that supports the needs of all. As such we will make reasonable adjustments at interview through to employment for our candidates and strongly encourage applications from a diverse candidate pool. We are open to discussions around flexibility and flexible working. We operate a hybrid work structure in many of our business areas. We are proudly Disability Confident Leader employers and holder of the Gold Inclusive Employer Standard. Disabled applicants who meet the minimum criteria for the job will be given the opportunity to demonstrate their abilities at an interview. For help with your application please contact 0345 010 4000.
At Serco we support fair access to employment for those with unspent criminal convictions through the ‘Ban the Box’ pledge (some may be exempt due to the nature of the role and the security clearance required). Please contact our recruitment team directly on 0345 010 4000 to discuss.
At Serco, we see people first and foremost for their performance and potential. We are committed to building a diverse and inclusive organisation that supports the needs of all. As such we will make reasonable adjustments at interview through to employment for our candidates and strongly encourage applications from a diverse candidate pool. We are open to discussions around flexibility and flexible working. We operate a hybrid work structure in many of our business areas. We are proudly Disability Confident Leader employers and holder of the Gold Inclusive Employer Standard. Disabled applicants who meet the minimum criteria for the job will be given the opportunity to demonstrate their abilities at an interview. For help with your application please contact 0345 010 4000.
At Serco we support fair access to employment for those with unspent criminal convictions through the ‘Ban the Box’ pledge (some may be exempt due to the nature of the role and the security clearance required). Please contact our recruitment team directly on 0345 010 4000 to discuss.