Vallum Associates
Network Security Operations Engineer
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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- Identify outdated or non-compliant firewall rules and support risk remediation.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.
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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.
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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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