Senior Network Security Engineer (Zero Trust)

Jacobs; Gloucester; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Health Cover

Life Assurance

Income Protection

Holiday buy/sell

Wellbeing benefits

Family & fertility support

Enhanced contribution pension

Job summary

Jacobs seeks a Senior Network Security Engineer to deliver high-assurance, security-critical solutions within regulated UK contexts. The role blends traditional networking with secure access and hybrid cloud connectivity, requiring collaboration across DevOps and platform teams to integrate controls.

Based in Bristol with some UK travel, you’ll implement Zero Trust, firewall policies, and secure data flows while navigating accreditation and security vetting processes.

Qualifications

• Proven experience in network security engineering within high-assurance or regulated environments.
• Strong understanding of network architecture, segmentation, firewall policies, and traffic inspection.
• Experience with Zero Trust networking and designing for restricted or air-gapped environments.
• Security-first mindset with knowledge of operational risk and compliance constraints.

Responsibilities

• Design and deliver secure network architectures for controlled environments.
• Engineer secure browsing and remote access solutions.
• Define and implement firewall policies, DNS design, and traffic control.
• Apply Zero Trust principles to network access and service exposure.
• Support secure data flows and one-way transfer mechanisms.
• Collaborate with DevOps and platform teams to integrate networking and security controls.
• Act as a technical authority on secure connectivity and network risk.

Skills

Network security engineering

Zero Trust networking

Network architecture

Firewall policies

Traffic inspection

Regulated environments

Tools

Remote browser isolation

Job description

Jacobs seeks a Senior Network Security Engineer to deliver high-assurance, security-critical solutions within regulated UK contexts. The role blends traditional networking with secure access and hybrid cloud connectivity, requiring collaboration across DevOps and platform teams to integrate controls.

Based in Bristol with some UK travel, you’ll implement Zero Trust, firewall policies, and secure data flows while navigating accreditation and security vetting processes.