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About the Role

Work for an organisation steeped in history with a front row seat for the digitalisation of the financial sector, and the rise of fintech and regtech. Technology enables the Bank of England to deliver its mission by providing a diverse set of technical solutions and platforms. Be part of a team that’s constantly evolving, just like our industry. We take pride in our people, with backgrounds and experiences as diverse as the solutions they provide. You’ll enjoy flexible working opportunities, a strong sense of community and well-being, and a collective mission to promote the good of the people of the UK.

Responsibilities

Operate and improve the network and security platforms within the CNI environment, with a primary focus on Cisco ACI, Cisco Firepower, and VMware NSX.
Take ownership of day-to-day BAU activities and deliver standard changes safely, while partnering with senior engineers on complex design, high-risk changes, and major incidents.
Collaborate with colleagues and partner teams to resolve incidents and problems, complete service requests, and deliver changes following agreed processes and change controls.
Provide clear updates, produce evidence-based troubleshooting, and contribute to continuous improvement of runbooks and operational practices.
Install, configure and patch network and security appliances used within the CNI platform, executing routine maintenance activities independently and escalating appropriately for complex changes.
Ensure changes are documented, tested, and validated end-to-end.
Support other areas of the CNI platform with networking and security connectivity requirements, troubleshooting and implementation activities, helping ensure services integrate securely and reliably.
Develop your skills across the services the team provides, share knowledge with peers, and support junior colleagues through pairing and guidance.
Contribute to automation and standardization to improve service reliability and reduce manual effort.
Participate in an out-of-hours support rota and to work out-of-hours for planned changes/maintenance as needed and agreed in advance.
Own triage and technical investigation of incidents and alerts; drive initial diagnosis through to restoration, escalating with clear evidence where needed (logs, captures, timelines).
Operate Cisco ACI day-to-day (health/fault analysis, endpoint reachability troubleshooting, assisting with policy changes and validation).
Operate Cisco Firepower (monitoring, implementing and validating rule changes, troubleshooting connectivity and security policy behaviour).
Operate VMware NSX (support logical networking and security, troubleshoot data-path/control-plane issues at a practical level, deliver standard changes).
Deliver standard changes end-to-end (peer review, back-out planning, implementation, post-change validation) and contribute to risk assessment for higher-impact changes.
Plan and execute routine patching/upgrades and maintenance windows; capture outcomes, lessons learned and follow-up actions.
Maintain and improve documentation: runbooks, diagrams, build notes, asset/port records; identify gaps and keep content audit-ready.
Support service requests such as connectivity checks, firewall policy assessments, segment/VLAN queries, and troubleshooting for application teams; provide clear stakeholder updates.
Carry out hardware activities when required (racking, stacking, cabling, labelling, device bring-up) following standards and ensuring accurate records.
Participate fully in an on-call / out-of-hours rota, supporting incident response, restoration, and post-incident actions.

Requirements

Demonstrable hands-on experience supporting enterprise network and/or security platforms in production (or equivalent demonstrable experience).
Practical operational experience in Cisco ACI (fault/health triage, endpoint reachability, policy troubleshooting and safe implementation of standard changes).
Practical operational experience in Cisco Firepower (monitoring, implementing firewall policy changes, troubleshooting and validation).
Practical operational experience in VMware NSX (core logical networking/security, operational troubleshooting, delivering standard changes).
Strong fundamentals and troubleshooting skills in TCP/IP, subnetting, routing and switching concepts.
Strong fundamentals and troubleshooting skills in DNS/DHCP and practical troubleshooting (packet capture, logs, structured fault finding).
Strong fundamentals and troubleshooting skills in security principles (least privilege, firewall policy intent, segmentation, change hygiene).
Ability to operate in a controlled/regulated environment.
Follow operational processes (ITIL-style incident/problem/change) and produce high-quality, audit-ready documentation.
Communicate clearly with technical and non-technical stakeholders; manage expectations and escalate appropriately.
Participate in an on-call / out-of-hours rota and work flexibly during maintenance windows.
Demonstrable automation / Infrastructure as Code experience in production (e.g. Ansible, Terraform, Python), including writing or maintaining playbooks/scripts and using version control (e.g. Git).
Operational experience with Checkpoint firewalls (policy changes, troubleshooting, and supporting upgrades/maintenance windows).
Operational experience with F5 load balancers (VIP/pool changes, troubleshooting, and supporting upgrades/maintenance windows).
Hands-on experience installing, racking and cabling network/security hardware in data centres, working to standards for labelling, patching, and asset/port recording.

Skills

Cisco ACI
Cisco Firepower
VMware NSX
TCP/IP
subnetting
routing
switching
DNS
DHCP
packet capture
log analysis
structured fault finding
security principles
least privilege
firewall policy
segmentation
change hygiene
ITIL
incident management
problem management
change management
documentation
stakeholder communication
on-call support
automation
Infrastructure as Code
Ansible
Terraform
Python
Git
Checkpoint firewalls
F5 load balancers
data centre hardware installation
cabling
labelling
asset recording
port recording

Location

London

Work Type

Hybrid
Flexible working
Work-from-Home

Experience Level

Deliver routine operational tasks and standard changes with minimal supervision
Follow change control rigorously
Know when to escalate for risk, complexity, or service impact

Salary/Compensations

£61,440 - £69,120

Benefits

Non-contributory, career average pension (1/80th annual salary per year worked, with option to increase to 1/65th or decrease to 1/105th)
Discretionary performance award
8% benefits allowance (can be taken as salary or used for flexible benefits)
26 days’ annual leave with option to buy up to 12 additional days
Private medical insurance
Income protection

About the Company

The Bank of England is an organisation steeped in history, playing a key role in maintaining monetary and financial stability.
Technology is a core organisational strength, enabling the Bank to deliver its mission by providing diverse technical solutions and platforms.
The Bank supports critical systems underpinning the UK economy, evolves data analytics, reinvents its online presence, and introduces a fully digital workplace.
The Bank values diversity, equity and inclusion, believing a workforce that reflects the society it serves is essential for effective operation.
The Bank aims to build an inclusive culture where all colleagues feel valued and respected, celebrating all forms of diversity.
The Bank is a member of the Disability Confident Scheme.

Equal Opportunity

The Bank values diversity, equity and inclusion.
We want all colleagues to feel valued and respected, so we're working hard to build an inclusive culture which supports people from all backgrounds and communities to be at their best at work.
We celebrate all forms of diversity, including (but not limited to) age, disability, ethnicity, gender, gender identity, race, religion, sexual orientation and socioeconomic status.
We welcome applications from individuals who work flexibly, including job shares and part time working patterns.
We've partnered with external organisations to support us in making adjustments for candidates and employees in the recruitment process where they're needed.
If you wish to apply under the Disability Confident Scheme, you should check the box in the ‘Candidate Personal Information’ under the ‘Disability Confident Scheme’ section of the application.