Infrastructure Engineering Manager

SiXworks; Farnborough; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Private medical cover

Life Assurance

Generous pension

Bonus

Training support

On-site facilities (parking, gym, café

Job summary

SiXworks seeks an Infrastructure Engineering Manager to balance people leadership with hands‑on delivery across cloud, networking, platforms & servers, end‑user compute, scripting and ITIL‑based service management in secure environments. You will line‑manage engineers, develop their skills, set objectives and ensure delivery aligns with business needs.

Your role includes recruitment and onboarding, coaching and mentoring, driving capacity planning with the Operations team, contributing to

Qualifications

• Background in engineering or infrastructure operations.
• ITIL Foundation (desirable).
• Technical certifications in Azure, Cisco, VMware or M365 are beneficial.

Responsibilities

• Manage a large team of engineers, 1:1s, objectives and performance.
• Mentor, coach and develop team members' skills.
• Recruitment and onboarding of new engineers.
• Contribute to architectural reviews and technology strategy.
• Promote engineering processes and ensure delivery across BAU and projects.

Skills

People management

Leadership

Stakeholder management

Data-driven decision-making

Calm under pressure

Communication skills

Education

Engineering or infrastructure operations background

ITIL Foundation (desired)

Azure / Cisco / VMware / M365 certifications

Tools

Azure

Cisco

VMware

M365

Job description

Work on Technology That Protects What Matters

At SiXworks, we build secure digital solutions that support Defence and National Security missions. Our teams work on complex problems where reliability, security, and speed of innovation matter.

We’re looking for an Infrastructure Engineering Manager who enjoys solving difficult technical challenges and wants their work to have real operational impact.

What You’ll Do

The role of Infrastructure Engineering Manager a balance of team management and project delivery and requires a solid understanding of infrastructure domains across multiple projects in: Cloud Infrastructure (Azure/Google), Networking, Platforms & Servers, End‑User Compute, Scripting & Automation, and Service Management (ITIL).

Responsible for line managing engineers and their skills; ensure skills are developed and aligned to business strategy and needs. This role blends strong people management capability with good technical understanding of infrastructure technologies, ensuring the right engineers with the right skills are assigned to projects, BAU activities and operational priorities. Together with our Operations team, drive & support capacity planning, workforce optimisation and skills development, ensuring high‑quality delivery across infrastructure such as server, storage, networking, cloud, end-user compute & platform ops.

Your work may include:

People Leadership:

• Manage a large team of engineers; holding 1:1s, supporting career development, setting objectives and managing performance.
• Lead on mentoring, coaching, and skills development of team members
• Lead the team; support wellbeing, provide clear guidance/direction, influence team morale.
• Take ownership for recruitment and onboarding of new team members.

Technical Contribution:

• Contribute towards technical problem solving, architectural reviews, and hands‑on delivery to maintain technical excellence and team credibility.
• Writing/maintaining/promoting engineering processes.

Stakeholder Management:

• Act as a contact for project managers, operations team and service leadership.
• Communicate resource constraints, risks, and priorities clearly.
• Build strong relationships across technical teams.

What We’re Looking For

We value people who take ownership, think critically, and enjoy working as part of a collaborative team tackling complex challenges. You don’t need to tick every box, but we’re particularly interested in people with skills/experience in:

• Demonstrated success in managing technical teams, mentoring engineers, and delivering solutions aligned to Agile, Scrum, ITIL, and SDLC best practices.
• Good leadership and communicationskills.
• Strong organisational and planning skills
• Excellent people-management skills
• Familiarity with complex multi‑discipline IT environments
• Data-driven decision-making
• Calm under operational pressure

Qualifications / Technical Experience

• Background in engineering or infrastructure operations
• ITIL Foundation (desired)
• Technical certification (Azure, Cisco, VMware, M365) beneficial

Just as important are curiosity, strong problem solving ability, and the motivation to continuously improve how technology is designed and delivered.

About SiXworks

SiXworks is a specialist digital innovation partner deliveringsecure, mission-critical technologyto Defence and National Security organisations. We focus ondigital experimentation, secure-by-design architecture, cloud technologies, and rapid application developmentto help our customers move faster and stay ahead of evolving challenges.

Our team combines expertise from across technology, business, and operational backgrounds including the armed forces creating a collaborative environment where practical thinking and innovation thrive.

Why Join Us

Our culture is guided by six principles:Agility, Security, Innovation, Quality, Collaboration and InclusivityourNorth Starfor how we work. SiXworksis a leading provider of secure digital solutions, specialising in digital experimentation and focused on fail-safe-fastcutting-edgetechnology solutions deployed in highly secure environments.

As an end‑to‑end digital innovation and delivery partner, we turn complex challenges into mission‑critical digital advantages. This is a thrilling time for us, with ambitious plans for growth. We are looking for brilliant, experienced, driven and self‑motivated people to join the team on our journey.

We offer competitive salaries and a package that supports your wellbeing and development, including 25 days annual leave + bank holidays, free Private Medical cover and Life Assurance, Generous pension (10% employer, 5% employee contribution), Bonus and Professional development and training support. In addition to secure parking, gym, café & restaurant on site and lots of open break out spaces.

A word on UK Security Clearance

Due to the secure nature of the positionand working environment, you must have or be eligible to obtainSecurity Clearance.More details relating to UK Security Clearance can be found here:

United Kingdom Security Vetting: clearance levels - GOV.UK (www.gov.uk)