Infrastructure Engineer / Senior Engineer in London

Infrastructure Engineer / Senior Engineer in London

London Full-Time 50000 - 60000 £ / year (est.) No working from home possible
Salt

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: 100% on-site role in London with excellent career growth opportunities.
  • Why this job: Make a real impact on national security while advancing your engineering skills.
  • Qualifications: Active DV clearance and expertise in network design and security protocols.

The predicted salary is between 50000 - 60000 £ per year.

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 center 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 center environments (eg, 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

Infrastructure Engineer / Senior Engineer in London employer: Salt

Join a forward-thinking investment management platform in London, where innovation meets opportunity. As a Senior Business Analyst, you'll thrive in a collaborative work culture that values your expertise and encourages professional growth through continuous learning and development. Enjoy the flexibility of a hybrid working model while contributing to cutting-edge AI-driven investment solutions that make a real impact in the financial services sector.

Salt

Contact Details:

Salt Recruitment Team

We think you need these skills to ace Infrastructure Engineer / Senior Engineer in London

SQL
Problem-Solving Skills
Communication Skills
Python
Automation
Data Engineering
ETL/ELT Processes