Telent Technology Services Ltd
Senior Design Engineer - Network
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Right across infrastructure, there’s a requirement to not only maintain, but also renew and reimagine. Whatever stage you’re at in your career, with us you’ll have an opportunity to grow and develop - delivering essential infrastructure services in a safety-first, customer-focused environment.
We are now looking for a Senior Network Design Engineer to join our growing Network Services engineering team, supporting the delivery of secure, resilient network solutions across Critical National Infrastructure (CNI) projects, mainly within the Nuclear space.
This is a hands-on Network Design role working across a major greenfield programme, where you’ll take ownership of network designs and support delivery into live operational environments.
What you’ll do:
- Produce High-Level and Low-Level Designs (HLD/LLD) for LAN, WAN, WLAN and NAC (Network Access Points) solutions
- Design secure network architectures including segmentation, Zero Trust and firewall policies
- Support WAN design including DIA, MPLS and resilient network architectures
- Engage with stakeholders to define requirements and gain technical design sign-off
- Provide technical support through delivery, installation and commissioning / testing phases
- Produce and maintain clear technical documentation, standards and diagrams
- Mentor junior engineers and contribute to continuous improvement within the team
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Who you are:
You are a capable and experienced Network Design Engineer, who can deliver solutions in complex, regulated environments. You combine hands-on technical expertise with the ability to engage stakeholders and contribute to high-quality, compliant designs. You enjoy working collaboratively and are confident supporting delivery from design through to implementation.
Key Requirements:
- Proven experience in network design across enterprise or critical infrastructure environments
- Knowledge of Cisco networking (routing, switching, wireless) and NAC technologies (e.g. Cisco ISE)
- Experience designing secure networks including Zero Trust and next-generation firewalls (e.g. Palo Alto)
- WAN design experience including MPLS, DIA and understanding of SD-WAN concepts
- Familiarity with relevant standards/frameworks (e.g. NIST, NCSC, IEC 62443)
- Relevant certifications (CCNP / CCIE or equivalent)
- Eligible for SC clearance (minimum 5 years UK residency rule applies)
- Able to complete BPSS checks
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What we offer:
At Telent, we’re committed to creating an inclusive culture where everyone feels valued, supported, and able to thrive. We welcome applicants from all backgrounds and encourage diverse perspectives across our teams.
The additional benefits with this role:
- 26 days holiday, plus public holidays, with the option to buy/sell days
- Car allowance in addition to competitive salary
- Company pension scheme
- Family-friendly policies
- Occupational health and wellbeing support
- Discounts on cinema, restaurants and shopping
We are guided by our values:
- Be Inclusive
- Take Responsibility
- Collaborate
- Be Customer-focused
Join us and help deliver critical infrastructure projects that make a real difference.
It’s an exceptional time to be a part of M Group.
#TelentTS IND1
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