DV Cleared Network Engineer

Salt; City Of London; On-site; GBP 90,000 - 110,000; Full time

Benefits offered by this job

Competitive base salary

10% target annual bonus

Outstanding pension scheme

Equalised family leave

2 weeks paid carer's leave & holiday"

Job summary

Salt is seeking a DV Cleared Network Engineer to join our London-based on-site team. The role focuses on designing, building, testing, validating and maintaining secure network architectures across enterprise and data centre environments.

You will implement high-grade security, manage routers, switches, firewalls and monitoring tools, and ensure resilience of critical national infrastructure. Active DV clearance and 10+ years UK residency are essential.

Qualifications

• Active DV clearance required and 10+ years UK residency.
• Design, build, test, validate, and maintain secure network architectures.
• Experience with enterprise and data centre environments.

Responsibilities

• Design, build, test, validate and maintain secure network architecture.
• Deploy new network technologies for enterprise and remote sites.
• Maintain standards for global networks and hardware setups.
• Implement high-grade network security protocols and configurations.

Skills

DV clearance

Network design

Routing protocols

LAN switching

Network security

Firewall/IDS/IPS

Job description

DV Cleared Network Engineer

Location: London (100% On-site)

Salary: Up to £100,000 + 10% Bonus

Security Clearance: Active DV Clearance required (10+ years UK residency essential)

About the Role

We are seeking a Network Engineer to join a global security practice delivering mission-critical infrastructure projects. This role directly supports the safety and resilience of critical national infrastructure and global defense capabilities.

Working as part of a high-performing engineering practice, you will be responsible for designing, building, testing, validating, and maintaining secure network architecture across enterprise and data centre environments.

Key Responsibilities

• Network Infrastructure Management: Accountable for system design, build, testing, validation, maintenance, and support across all network components.
• Technology Implementation: Deploy new network technologies supporting enterprise and remote site connectivity in line with strategic customer requirements.
• Standards & Hardware: Maintain standards for global networks (wireless, LAN, SD-WAN) and manage physical/virtual hardware setups (routers, switches, firewalls, and monitoring tools).
• Network Security: Implement high-grade network security protocols and manage firewall/IDS/IPS configurations.

Essential Skills & Experience

• Routing & Protocols: Deep experience with enterprise/operator-scale routing design using protocols such as OSPF, IS-IS, BGP, LDP, or RSVP.
• LAN & Switching: Strong knowledge of LAN switching in small-to-medium enterprise and data centre environments (e.g., RSTP/MSTP, LAG, MC-LAG, SPB, first‑hop security).
• Network Security: Practical expertise implementing network security standards, including MACSEC, IPSEC, and 802.1x.
• Firewalls & Inspection: Hands‑on experience with security design, firewall management, and IDS/IPS configuration.

Key Vetting Requirements

Must hold active Developed Vetting ( DV ) security clearance.

Package & Benefits

• Competitive base salary (up to £100,000 dependent on experience)
• 10 % target annual bonus
• Outstanding pension scheme
• Equalised family leave
• 2 weeks paid carer's leave & holiday purchase scheme
• *Rates depend on experience and client requirements