Network Engineer

Guidant Global; Stevenage; On-site; GBP 136,000 - 150,000; Full time

Job summary

Guidant Global is seeking an experienced Network Engineer to support our defence engineering client in Stevenage. The role focuses on maintaining secure enterprise networks across the UK estate, working with security teams and external partners to ensure stability and performance.

Key responsibilities include handling multi-site network operations, investigating issues, and driving secure network enhancements. DV clearance and knowledge of Cisco technologies are required.

Qualifications

• Strong network engineering background in enterprise or secure environments.
• Experience with Cisco ecosystems (Catalyst Centre and ISE).
• Experience with routing, switching, TCP/IP, OSI models.

Responsibilities

• Provide operational support for enterprise network infrastructure across multiple sites.
• Investigate and resolve network-related issues and risks.
• Support network improvement projects and security initiatives.
• Collaborate with security teams on reporting, risk analysis and compliance.
• Liaise with vendors to optimise service delivery.
• Maintain network documentation and processes.
• Support crypto solutions and secure network environments.

Skills

Network engineering

Security awareness

Stakeholder communication

Tools

Cisco technologies

Routing & Switching

Windows Server/AD/Linux/VMware

Monitoring tools

Job description

Network Engineer

• Stevenage (with occasional support across Bolton & Bristol)
• £68.25 per hour Umbrella
• 12-Month Contract
• Security Clearance : Need to have Valid DV

We're supporting a leading defence engineering organisation in the search for an experienced Network Engineer to join their established Network Operations team on a 12-month contract basis.
This is an excellent opportunity to work within a highly secure, complex enterprise environment, supporting critical network infrastructure across multiple UK sites while contributing to ongoing network improvement and security initiatives.

The Role

As a Network Engineer, you will be responsible for providing dedicated support to the Stevenage site while helping maintain and enhance network services across the wider UK estate. Working closely with internal technical teams, security specialists and external suppliers, you will play a key role in ensuring the stability, performance and security of business-critical network services.
Key responsibilities include:

• Providing operational support for enterprise network infrastructure across multiple sites.
• Investigating, owning and resolving network-related issues and risks.
• Supporting network improvement projects and wider business initiatives.
• Working closely with security teams on network reporting, risk analysis and compliance activities.
• Collaborating with service management teams to ensure agreed service levels are met.
• Supporting secure network environments, including crypto solutions and associated technologies.
• Maintaining network documentation and operational processes.
• Liaising with third-party vendors and technology partners to optimise service delivery.

Required Experience

We're keen to speak with candidates who can demonstrate:

• Strong Network Engineering / IT Infrastructure background.
• Experience within secure or highly regulated network environments, including crypto technologies.
• Good knowledge of Cisco technologies, including Catalyst Centre and ISE.
• Strong understanding of routing, switching and networking fundamentals (OSI, OSPF, BGP, HSRP, VRRP, TCP/IP).
• Experience with Windows Server, Active Directory, Linux/RHEL and VMware.
• Exposure to SDA, authentication services and network security.
• Experience using monitoring tools such as SolarWinds, PRTG or Nagios.
• Strong troubleshooting, documentation and stakeholder communication skills.