Posted 12 August, 2026
Network Security Operations Engineer
Vallum Associates
Manchester, ENG, GB
Full Time
Job Description
Network Security Operations Engineer
\nLocation: Manchester, UK
\nWorking: Hybrid 2-3 days onsite per week
\nContract: 6 Months
\nRole Overview
\nWe 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.
\nKey Responsibilities
\n- \n
- Provide day-to-day operational support for enterprise network security and firewall environments. \n
- Manage firewall requests, policy changes, exceptions, and security incidents. \n
- Ensure firewall activities comply with security policies, risk assessments, and approval processes. \n
- Support firewall governance, compliance, audits, and regulatory requirements. \n
- Manage security changes through established Change Management processes. \n
- Work across ITIL Incident, Problem, Change, and Service Management processes. \n
- Identify outdated or non-compliant firewall rules and support risk remediation. \n
- Maintain accurate operational, security, and audit documentation. \n
- Collaborate with Network, Security, Infrastructure, Application, Compliance, and Service Management teams. \n
Essential Skills & Experience
\n- \n
- Strong experience in enterprise network security operations and firewall management. \n
- Experience with firewall requests, policy administration, exceptions, and compliance. \n
- Strong understanding of ITIL Incident, Problem, Change, and Service Management. \n
- Experience working in regulated or highly controlled environments. \n
- Good understanding of security controls, risk assessment, governance, and audit requirements. \n
- Strong stakeholder management, communication, analytical, and problem-solving skills. \n
Desirable
\n- \n
- Experience with AlgoSec or equivalent firewall policy management platforms. \n
- Knowledge of Zero Trust, ZTNA, SASE, SSE, network segmentation, and SDN. \n
- Financial services/banking or other highly regulated industry experience. \n
- Knowledge of PCI-DSS, ISO 27001, NIST CSF, and CIS Controls. \n
- Experience supporting cloud migration, hybrid networking, and network security transformation. \n
- Security certifications such as CISSP, CCNP/CCIE Security, PCNSE, CCSP, AZ-500 or AWS Security Specialty. \n
