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Network Security Operations Engineer

Vallum Associatesmanchester area, united kingdom🇬🇧United KingdomPosted 12 Aug 2026

Why This Role Stands Out

Elevate your career in network security with this impactful role at Vallum Associates, offering a hybrid work model for enhanced flexibility. You'll gain invaluable experience managing critical security operations within a regulated environment, perfect for a mid-senior engineer eager to develop their expertise in firewall management and ITIL processes. Apply today to contribute to a secure and compliant enterprise!

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
manchester area, united kingdom, United Kingdom
AWSStakeholder ManagementZero Trust

Job Description

Network Security Operations Engineer

Location: Manchester, UK

Working: Hybrid 2-3 days onsite per week

Contract: 6 Months



Role Overview

We are looking for a Network Security Operations Engineer to support enterprise network security operations within a highly regulated environment. You will manage firewall operations, security incidents, policy exceptions, compliance, and governance while ensuring alignment with ITIL processes and regulatory requirements.


Key Responsibilities

  • Provide day-to-day operational support for enterprise network security and firewall environments.
  • Manage firewall requests, policy changes, exceptions, and security incidents .
  • Ensure firewall activities comply with security policies, risk assessments, and approval processes.
  • Support firewall governance, compliance, audits, and regulatory requirements .
  • Manage security changes through established Change Management processes.
  • Work across ITIL Incident, Problem, Change, and Service Management processes.
  • Identify outdated or non-compliant firewall rules and support risk remediation.
  • Maintain accurate operational, security, and audit documentation.
  • Collaborate with Network, Security, Infrastructure, Application, Compliance, and Service Management teams.


Essential Skills & Experience

  • Strong experience in enterprise network security operations and firewall management .
  • Experience with firewall requests, policy administration, exceptions, and compliance.
  • Strong understanding of ITIL Incident, Problem, Change, and Service Management .
  • Experience working in regulated or highly controlled environments .
  • Good understanding of security controls, risk assessment, governance, and audit requirements.
  • Strong stakeholder management, communication, analytical, and problem-solving skills.


Desirable

  • Experience with AlgoSec or equivalent firewall policy management platforms.
  • Knowledge of Zero Trust, ZTNA, SASE, SSE, network segmentation, and SDN .
  • Financial services/banking or other highly regulated industry experience.
  • Knowledge of PCI-DSS, ISO 27001, NIST CSF, and CIS Controls .
  • Experience supporting cloud migration, hybrid networking, and network security transformation .
  • Security certifications such as CISSP, CCNP/CCIE Security, PCNSE, CCSP, AZ-500 or AWS Security Specialty .


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