Lead Infrastructure and Network Engineer

MASS; West of England; On-site; GBP 70,000 - 80,000; Full time

Benefits offered by this job

25 days annual leave

Pension options

Life Assurance 4x salary

Private Medical & Dental Insurance

Health & Wellbeing Allowance

Car leasing scheme

Cycle to work

Job summary

MASS in Corsham (On-site) is seeking an experienced Technical Authority to provide leadership, technical assurance, and strategic direction across our infrastructure and network services. This senior role acts as the final escalation point for complex decisions, ensuring platforms are secure, resilient, and engineered to high standards.

You will work with engineering teams, service delivery, and customers, offering authoritative guidance, challenging assumptions when needed, and ensuring that

Qualifications

• Strong background in infrastructure, networks, or platform engineering in a complex environment.
• Demonstrable experience acting as a senior technical escalation point or authority.
• Deep understanding of change, incident, and problem management processes.

Responsibilities

• Provide expert oversight and approval of infrastructure, network, and platform designs.
• Review, challenge, and assure technical decisions, ensuring solutions are secure, supportable, and aligned with standards.
• Act as the senior technical escalation point for high‑impact or complex issues.
• Ensure documentation, architecture, and change records meet quality and compliance expectations.
• Lead strategic direction across infrastructure and network domains, maintaining a clear view of performance, risk, and lifecycle health.
• Mentor and develop engineers, improving capability and consistency across the team.
• Promote high‑quality engineering practices, secure‑by‑design thinking, and good documentation habits.

Skills

Infrastructure & networks

Senior escalation point

Change, incident, problem mgmt

Stakeholder management

Mentor/lead teams

Tools

ITIL

Job description

Lead Infrastructure and Network Engineer - On-site, Corsham (SN13)

Permanent

• £70,000 - £80,000


• 25 days annual leave (in addition to Bank Holidays)


• Buy or sell up to 5 days annual leave


• Continuous Professional development support


• Two pension schemes to choose from


• Life Assurance scheme up to 4 x salary


• Private Medical & Dental Insurance+ discounts for additional family members


• Other benefits such as Health & Wellbeing Allowance, Electric/Hybrid Car leasing scheme, Cycle to work scheme and more.

We are seeking an experienced and forward‑thinking Technical Authority to provide leadership, technical assurance, and strategic direction across our infrastructure and network services. This is a senior technical role where you will act as the final escalation point for complex decisions, ensuring our platforms are secure, resilient, and engineered to high standards.

You will work closely with engineering teams, service delivery, and customers, providing authoritative guidance, challenging assumptions where necessary, and ensuring that technology decisions support long‑term organisational goals.

Key Responsibilities

Technical Assurance & Leadership

• Provide expert oversight and approval of infrastructure, network, and platform designs.


• Review, challenge, and assure technical decisions, ensuring solutions are secure, supportable, and aligned with standards.


• Act as the senior technical escalation point for high‑impact or complex issues.


• Ensure documentation, architecture, and change records meet quality and compliance expectations.

Infrastructure & Networks Ownership

• Offer strategic direction across infrastructure and network domains, maintaining a clear view of performance, risk, and lifecycle health.


• Lead and mentor network and infrastructure engineers, promoting strong engineering principles and technical quality.


• Support prioritisation of workloads, project demands, and operational improvements.

Strategic Technical Guidance

• Contribute to the development of long‑term technology roadmaps.


• Identify risks, constraints, and future opportunities to improve resilience, scalability, or efficiency.


• Track emerging technologies and recommend their adoption where value is clear.

Change & Governance

• Lead technical elements of change management, ensuring risks are properly assessed and mitigated.


• Provide expert input to CAB and drive continuous improvement in governance processes.


• Capture technical lessons learned and embed them into engineering practice.

Problem Management & Resilience

• Lead root‑cause analysis and coordinate long‑term remediation for recurring incidents.


• Work with engineering teams to reduce technical debt and increase platform stability.


• Drive proactive risk reduction across infrastructure and networks.

Stakeholder, Supplier & Customer Engagement

• Act as the technical authority in discussions with customers and partners.


• Review supplier designs, documentation, and proposals to ensure alignment with standards and requirements.


• Represent the organisation with confidence in technical governance forums.

Team Development & Knowledge Leadership

• Mentor and develop engineers, improving capability and consistency across the team.


• Identify skills gaps and shape technical training plans.


• Promote high‑quality engineering practices, secure‑by‑design thinking, and good documentation habits.

Essential Experience

• Strong background in infrastructure, networks, or platform engineering in a complex environment.


• Demonstrable experience acting as a senior technical escalation point or authority.


• Deep understanding of change, incident, and problem management processes.


• Ability to translate complex technical concepts into clear, actionable explanations.


• Experience leading or mentoring technical teams.


• Strong stakeholder management, able to challenge constructively and influence outcomes.

Desirable Experience

• Experience operating within technical assurance or governance frameworks.


• Familiarity with ITIL principles.


• Exposure to security‑focused environments, secure‑by‑design, or compliance‑driven delivery.

Wellbeing

is at the core to our culture, allowingemployees to flourish and to achieve their full potential. Our people are important to us, and we take pride in our wellbeing programmes and policies that supportindividuals including, mental health first aiders and readily available support through our extensive employee assistance programme.

Our Non-negotiables:

Due to the highly secure nature of the projects that you will be involved with, you must be:

• A sole UK National and eligible to work in the UK


• Eligible to obtain and maintain a UK Government DV-levelsecurity clearance