About the role
As a Network Security Analyst with expertise in Telecommunication domain. To provide focused technical and operational support for firewall, VPN and DNS security management within the Security Technology Operations (STO) function. The contractor will primarily manage and execute network security change requests / incidents / improvements, ensuring timely, accurate, and secure implementation across client’s network infrastructure. This role will help reduce the workload on the permanent team, ensuring project timelines and service levels remain on track..
Tell me more, tell me more…
Our client is currently looking for a recruit in joining their current team, below are the job details for your reference:
You can also ask our friendly recruitment team for any questions you may have about the role, between 09.00am till 17.00pm Monday to Friday.
Shifts: Monday to Friday (37.5 hours)
Roles and Responsibilities:
* Own the intake, analysis, and execution of firewall / VPN / DNS security change requests via ServiceNow.
* Validate rule requests against security policies, standards, and design principles.
* Implement and document firewall rules across enterprise and data center environments.
* Coordinate with requestors, network engineers, and project teams to ensure minimal disruption.
* Track, report, and manage change SLAs and dependencies.
Operational Support
* Support the day-to-day management of firewall infrastructure and associated tooling (e.g., Cisco ASA/FTD, or equivalent).
* Conduct troubleshooting and validation testing post-change.
* Identify misconfigurations and make changes to configure for best security and business enablement.
* Create knowledge base articles, process maps, and technical documentation.
Governance and Continuous Improvement
* Identify and raise risks or vulnerabilities linked to network security configurations.
* Propose and help implement automation or process efficiencies.
* Support compliance with internal standards, audits, and operational procedures.
* Participate in daily huddles and provide peer review on change work.
The must haves:
* Demonstrable experience managing enterprise firewall technologies (Palo Alto, Cisco, or equivalent).
* Strong understanding of networking fundamentals (TCP/IP, routing, VPNs, NAT, subnets).
* Familiarity with ServiceNow for change and request management.
* Experience applying ITIL processes (Incident, Request, Change).
* Previous exposure to security operations or network security roles.
* Network certifications beneficial (e.g., NSE, PCNSE, CCNP Security, or CompTIA Security+).
* Experience in managing network security technology and be able to manage risks, issues and change on those technologies to ensure they provide security for client and do not adversely impact users or operations.
* Demonstrates a good understanding of the range of technical security control concepts, procedures and systems (i.e., VPN, DNS, Firewalls).
* Drives low level change and supports larger / more complex tasks.
* Professional experience is gained through substantial on the job experience to supplement formal learning
What’s in it for you? –
Our client loves to reward their people for doing a great job.
* This is a contract until Mar 2026
* This role provides a hybrid working access in Cambridge (2-3 days in a week)
Next Steps
Once you’ve applied, one of our friendly recruitment consultants will give you a call and talk you through the screening process.
If your application is successful, you’ll be involved in a live virtual interview with one of our client’s hiring managers to get to know you better.
We look forward to speaking to you!