Role Purpose: The Network Operations Engineer is responsible for the design, implementation, configuration, monitoring, and support of network and connectivity services across client and internal environments. This is a hands‑on technical role combining day‑to‑day operational management with project delivery, ensuring SysGroup's network infrastructure is secure, reliable, and continuously improving.
- Monitor network infrastructure and connectivity services to ensure high availability and performance.
- Respond to alerts and incidents affecting network services.
- Maintain operational oversight of managed network platforms including WAN, LAN, and wireless.
- Use network monitoring platforms (e.g. Nagios, PRTG, Meraki Dashboard) to maintain service health.
- Deliver end-to‑end network projects including WAN provisioning, LAN and wireless deployment, and firewall configuration.
- Build and configure routers, firewalls, switches, and access points based on approved HLTDs/LLTDs and governance standards.
- Coordinate with ISPs, carriers, and vendors for circuit activation, hardware delivery, and configuration validation.
- Conduct testing, cutover, and post‑deployment verification to ensure stability and service readiness.
- Manage change windows and implementation plans, including rollback and communication procedures.
- Investigate and resolve network incidents and service disruptions.
- Perform root cause analysis for recurring network problems and feed improvement recommendations back to design and architecture.
- Act as a 3rd‑line escalation point for complex connectivity issues when not engaged in project delivery.
- Escalate unresolved or critical issues appropriately within the support chain.
- Configure and maintain networking components including routers, switches, firewalls, and connectivity services.
- Manage WAN, LAN, and VPN connections across client environments.
- Support the onboarding of new clients to managed network services.
- Assist with network upgrades, configuration changes, and platform improvements.
- Support the secure configuration of network infrastructure including firewall policies, VPN, and access controls.
- Work with the cyber security team to ensure network security best practices are maintained.
- Monitor network environments for potential security risks and vulnerabilities.
- Produce comprehensive handover documentation including topology diagrams, configuration exports, and monitoring templates.
- Deliver knowledge transfer sessions and technical briefings to Service Engineers.
- Ensure all configurations are labelled, version‑controlled, and recorded in the CMDB.
- Update internal templates and SOPs to reflect lessons learned from project execution.
- Work closely with the Connectivity Architect to ensure all deployments align with SysGroup's design standards and security posture.
- Support infrastructure, cloud, and platform teams with networking expertise.
- Participate in internal QA reviews and continuous improvement cycles.
- Provide feedback on design practicalities and propose operational optimisations.
- Identify opportunities to improve monitoring, automation, and operational efficiency.
- Contribute to improving the reliability and resilience of network services.
- Contribute to improvements in network operational procedures and standards.
- 4–6 years' experience managing enterprise or managed network infrastructure, ideally within an MSP environment.
- Proven track record in both operational network management and project-based delivery.
- Experience working with connectivity providers and networking vendors.
- Ability to work in operational environments supporting client infrastructure.
- Strong understanding of networking principles including routing, switching, and secure connectivity.
- Firewalls – Cisco, Meraki, or WatchGuard (policy creation, VPNs, NAT, HA setup).
- Routing & Switching – VLANs, spanning tree, QoS, routing protocols (OSPF, BGP), trunking, and redundancy.
- WAN & ISP Coordination – circuit provisioning, handover testing, and vendor escalation.
- Wireless – AP deployment, SSID configuration, controller management, and coverage validation.
- Network monitoring and diagnostic tools (Nagios, PRTG, Meraki Dashboard, or equivalent).
- Comfortable producing network documentation and topology diagrams.
- Knowledge of change management processes and ITIL service transitions.
- Scripting or automation exposure (Python, Ansible, PowerShell) is advantageous.
- Exposure to SASE/SSE platforms (e.g. Zscaler ZIA/ZPA, Netskope, Palo Alto Prisma Access) and how they integrate with traditional WAN and firewall estates.
- Understanding of Zero Trust Network Access (ZTNA) principles and experience supporting migration away from legacy VPN and perimeter-based access.
- Familiarity with SD-WAN security overlays and secure application segmentation for distributed client environments.
- Awareness of identity‑aware networking, integrating connectivity with identity providers (Entra ID, Okta) for policy‑based access decisions.
- Vendor certifications such as Zscaler ZCCA/ZCCP, Palo Alto PCNSE, or equivalent SASE/SSE credentials.
Joining Sysgroup means becoming part of a dynamic and innovative team that is dedicated to excellence. We offer a supportive, and collaborative work environment, where your ideas and contributions are valued. Here are some of the benefits of working with us:
Competitive Compensation
We offer a competitive salary package, including performance‑based incentives, to reward your hard work and achievements.
- Private Healthcare
- Life insurance
- Pension
We believe in investing in our employees' professional development. You will have your own individual development learning paths with access to various training material and ongoing career advancement opportunities.
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Network Operations Engineer employer: SysGroup PLC
Sysgroup is an exceptional employer that fosters a dynamic and innovative work environment in the heart of London. With a strong commitment to employee development, we offer competitive compensation, private healthcare, and a focus on work-life balance through flexible arrangements. Join us to lead impactful cyber security projects while mentoring junior consultants and advancing your career in a supportive culture that values your contributions.