About this role
Salary: £62,000 - 90,000 per year
Requirements
- Proven experience as a Network Engineer, Network Security Engineer or Infrastructure Engineer
- Strong hands-on experience supporting HPE Aruba Wi-Fi environments
- Strong hands-on experience with Zscaler ZIA and ZPA
- Strong hands-on experience with Check Point Firewalls
- Experience working with Incident, Problem and Change Management processes
- Practical experience with network and security patching, firmware updates and upgrades
- Strong understanding of networking fundamentals and security principles
- Excellent troubleshooting and analytical skills, including the ability to investigate complex technical issues through to root cause
- Experience using network monitoring, logging and diagnostic tools
- Ability to work effectively under pressure, particularly during major incidents
- Excellent interpersonal, organisational and communication skills
- Relevant industry certifications in areas such as Aruba, Zscaler or Check Point
- Nice to have: experience with Cisco Nexus switching, VMware NSX or F5 LTM
Responsibilities
- Take ownership of network and security incidents from initial investigation through to resolution, ensuring appropriate communication and documentation
- Investigate recurring and complex issues and perform Root Cause Analysis as part of Problem Management
- Plan, raise and implement network changes through the formal Change Management process
- Plan and deliver regular patching, firmware updates and software upgrades across network infrastructure
- Review vendor security advisories and identify required patches, upgrades and vulnerability remediation activities
- Support the maintenance and upgrade of HPE Aruba wireless infrastructure, troubleshooting connectivity, authentication, performance and availability issues
- Support and administer Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA), including policy changes, application access, authentication and connectivity troubleshooting
- Support and administer Check Point Firewalls, including policies, rules, NAT, objects, logging and troubleshooting
- Maintain accurate technical documentation, network diagrams, configuration records and operational procedures
- Collaborate with Service Desk, Cyber Security, Systems Operations, Cloud and Application teams to deliver end-to-end solutions
- Support continual service improvement initiatives to increase network availability, security and performance
- Ensure network and security platforms remain appropriately patched, supported and aligned with security and operational standards
Technologies
- Aruba
- Cloud
- Cisco
- Firmware
- Support
- NAT
- Network
- Nexus
- Security
- VMware
- Firewall
More
Our Technology teams help keep HLs technology services secure, resilient and available for our clients and colleagues. Youll join our collaborative Network Engineering team, working with critical enterprise network and security platforms. Were the UKs number one investment platform for private investors, based in Bristol, and have helped investors save time, tax and money on their investments for more than 40 years. We offer a workplace focused on learning, dynamic teams and values of service, quality, innovation and opportunity.
This is a permanent, full-time role based at our Bristol head office (BS2 0PS), 37.5 hours per week, Monday to Friday, with two days a week in the office. The interview process has two stages: an initial call, followed by competency- and scenario-based questions. Flexible or part-time working may be available. Our benefits include a discretionary annual bonus, annual pay review, 25 days holiday plus bank holidays and an additional Christmas closure day, the option to purchase up to five extra holiday days, flexible and hybrid working, enhanced parental leave, a pension with up to 11% employer contribution, income protection, life insurance, private medical insurance, healthcare cash plans, health screening, confidential support and remote GP services, Wellhub fitness and wellness access, travel-to-work schemes, bike storage and shower facilities, an in-house barista and deli, and two paid volunteering days per year. Some benefits depend on role level or are available during the annual benefits window. We are an inclusive employer and welcome applications from all individuals. Employment sponsorship is not available.
last updated 46 week of 2026