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# Network Security Operations Engineer

- **Company:** Vallum
- **Location:** Manchester, UK
- **Contract:** Temporary contract
- **Skills:** Amazon Web Services, Cyber Security, Network Security, Network Segmentation, PCI Data Security Standards, Zero Trust Network Access, Firewalls (Computer Science), Cloud Migration, CIS Benchmarks, Firewall Services Module
- **Published:** August 10, 2026
- **Apply:** https://www.careerboard.com/pt/en/find-jobs-in-United-Kingdom/-7A416F524279433E0B/

## About the Role

* 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.

## Description

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., * 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 * Identify outdated or non-compliant Firewall rules and support risk remediation.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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