Senior Network Engineer

Full Job Description

Job Description:

The opportunity:

Leonardo Cyber Division is seeking a Senior Network Engineer to act as an arbitrator on design issues relating to networks, gateways and the security enforcing functions applied to these system and service components.

We are therefore looking to recruit a seasoned IT Network Engineer with proven mastery of networks, who wishes to broaden their experience in a complex and sensitive intelligence environments across Cloud / Hybrid and On Premise projects

This is an excellent opportunity to join one of the UK’s leading aerospace companies. To support you in this role, we offer our award-winning flexible benefits plan , having won the Best Flexible Working Policy Award, Best Flexible Benefits Strategy and Best Flexible Benefits Plan in 2023.

What you’ll do as a Senior Network Engineer:

As a Senior Network Engineer within the Cyber Division, you will typically be working as part of a larger team including the design, development and testing of secure systems, including but not limited to, Information Management Systems, Command and Control systems, Security Monitoring of IT, IoT and CNI systems and services.

Key Responsibility Areas: 

The Senior Network Engineer will be a member of a specialised engineering practice within the Platform team with the work executed within IPTs for the ongoing systems engineering efforts across multiple active projects and managed services. The candidate should be comfortable working on multiple systems engineering lifecycle phases including architectural design, detailed system/subsystem design, implementation, testing and complex problem resolution as part of through life support.

In addition, the Senior Network Engineer will be required to engage directly in projects, work within secure facilities and network operations rooms and produce deliverable artefacts in the delivery of contracted projects and services. These will include:

• Development of network solution designs to meet a complex mix of customer requirements;
• Contributing to architectural documentation as part of high and low level system designs;
• Providing technical guidance and mentoring for other system engineers and technical architects;
• Preparation and participation in key technical review events during the systems development life-cycle;
• Technical stakeholder engagement with clients, peers, 3rd party delivery partners and vendors as required;

You will also be responsible for keeping technical awareness up-to-date with updates in industry including:

• Keeping up to date with evolving networking technology to support technology/solution selection;
• Keeping up to date with available qualifications and certifications available for network technology utilised across all systems;
• Keeping up to date with relevant industry standards, policies, methodologies and frameworks;

Keeping up to date with relevant customer preferred/mandated standards, policies, methodologies and frameworks.

What we need from you:

• The role absolutely requires the candidate to be a sole UK National with a current DV clearance.
• Experience of Network deployment for LAN / WAN and Data Centres.
• Understanding of the OSI and TCP/IP models.
• Networking cabling expertise including Fibre, Copper Ethernet, and configuration as well as networking hardware installation.
• Knowledge of network security, not least covering Next Generation and Web Application firewalls.
• Understanding of networking protocols and technologies (e.g., IPsec, HSRP, BGP, OSPF, QoS, MPLS, VoIP, etc.).
• Network design knowledge and experience (HLD/LLD).
• Cisco certification (minimum CCNA).
• Hands-on experience with monitoring, network diagnostic and network analytics tools.
• Understanding of cloud technologies and concepts.
• Understanding of Networking services and components including:
  • Cisco networking to CCNP level
  • Local and Wide Area Networking

Security Clearance

You must be eligible for full security clearance.  For more information and guidance please visit :

Life at Leonardo

With a company funded benefits package, a commitment to learning and development, and a flexible approach to working hours focused on the needs of both our employees and customers, a career with Leonardo has never offered as many opportunities or been more accessible to as many people.

• Pension: Award winning pension scheme (up to 10% employer contribution)
• Holidays: 25 days plus bank holidays, option to buy/sell leave and to accrue up to 12 additional flexi leave days per year
• Flexible Working: Flexible hours with hybrid working options. For part time opportunities, please talk to us
• Wellbeing:  Employee Assistance Programme, access to Mental Health support, Financial wellbeing support, network groups (Enable, Pride, Equalise, Reservists, Carers)
• Lifestyle:  Discounted Gym membership, Cycle to work scheme
• Company funded flexible benefits: Access to private healthcare, dental schemes, Workplace ISA, Go Green Car Scheme, technology and lifestyle options (£500 annual allowance)
• Training: Free access to more than 4000 online courses via Coursera
• Referral Incentive: You can earn a reward for successfully referring a friend or family member
• Bonus: Scheme in place for all employees at management level and below

For a full list of our Company benefits please visit our website.

Leonardo is a global high-tech company and one of the key players in Aerospace, Defence and Security. Headquartered in Italy, Leonardo has over 45,000 employees, of which 7,000 are based in the UK.

At Leonardo UK, we believe that a diverse and inclusive work environment unlocks our people’s full potential and drives innovation and creativity. We work hard to offer a welcoming, accessible and inclusive place to work for all of our people, creating a culture where everyone can thrive, feel safe and have a sense of belonging and connection.

This is a great opportunity to bring your talents and form an integral part of Leonardo’s future. We can help you develop your skills and offer great opportunities to develop and grow, so why not join us.

Primary Location:

Contract Type:

Hybrid Working: