Senior Network Engineer (DV Cleared, Onsite)

Sanderson Government and Defence; Salisbury; On-site; GBP 70,000 - 110,000; Full time

Job summary

Sanderson Government and Defence in Salisbury is seeking a Lead Network Engineer to support secure, mission-critical networks. The role focuses on availability, security and performance, delivering architectural improvements and guiding delivery teams.

You will hold Active DV Clearance, have Cisco expertise (CCNP preferred), firewall and security experience (Palo Alto, PCNSE), and be able to design, implement and document network solutions while engaging stakeholders.

Qualifications

• Active DV clearance is required.
• Extensive enterprise/defence data centre or service provider network experience.
• Strong Cisco networking expertise; CCNP certification preferred.
• Firewall and security experience, ideally Palo Alto and PCNSE.
• Experience with network design, implementation and project delivery.
• Knowledge of routing, switching, firewalls and secure network architectures.

Responsibilities

• Maintain and support network infrastructure (routers, switches, firewalls, cryptographic systems).
• Deliver network design changes and architectural enhancements.
• Monitor network performance and proactively resolve issues.
• Manage network security and perimeter defence controls.
• Produce and maintain technical documentation.
• Provide technical guidance to delivery teams and stakeholders.

Skills

DV Clearance

Cisco networking

Firewall & security

Network design

Stakeholder engagement

Routing & switching

Job description

Sanderson Government and Defence in Salisbury is seeking a Lead Network Engineer to support secure, mission-critical networks. The role focuses on availability, security and performance, delivering architectural improvements and guiding delivery teams.

You will hold Active DV Clearance, have Cisco expertise (CCNP preferred), firewall and security experience (Palo Alto, PCNSE), and be able to design, implement and document network solutions while engaging stakeholders.