At a Glance
- Tasks: Design, build, and maintain secure network architecture for critical infrastructure.
- Company: Join a global security practice focused on mission-critical projects.
- Benefits: Competitive salary, 10% bonus, outstanding pension, and generous leave policies.
- Other info: Work in a high-performing team with opportunities for professional growth.
- Why this job: Make a real impact on national security while advancing your career.
- Qualifications: Active DV clearance and expertise in network design and security protocols.
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
- Equalized family leave
- 2 weeks paid carer's leave & holiday purchase scheme
*Rates depend on experience and client requirements
DV Cleared Network Engineer in London employer: Salt
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