102 Bt jobs in London

Role Title: Network Engineer

6 months
Rate: 506
Hybrid -3 days on site in London


Role Summary

UK ITS AS (ENET) Engineer will be a member of the team that is responsible for the support and management of the of the infrastructure that supports the Bank's electronic business (known within other banks as Electronic Trading or Pre-Trade). This will be achieved by leveraging the technical expertise of other teams within UK ITS.

Team members will work closely with core Infrastructure teams, development and the business responding to requests, fault reports, often being required to resolve issues quickly, under pressure and sometimes out of hours. In addition to business as usual activity there are a great number of infrastructure projects and tasks that must be completed.

Role Description

• Deliver and support low latency connectivity and monitoring solutions for the Global Markets business, aligned with front-office trading and regulatory needs.
• Apply SRE principles to improve availability, latency, performance, and capacity planning across trading infrastructure.
• Collaborate with network and platform engineers to design reliable, self-healing systems and reduce manual intervention through automation.
• Own and execute the Global Markets connectivity roadmap, from project delivery through to operational handoff and lifecycle management.
• Partner with business stakeholders and platform owners to ensure infrastructure and observability tooling meets evolving trading requirements.
• Monitor and manage capacity and performance of global connectivity systems, working with regional teams to aggregate local intelligence.

• Develop and maintain automated alerting, health checks, and dashboards, supporting proactive detection of issues and system degradation.
• Lead lab-based testing and benchmarking initiatives for new connectivity solutions, ensuring readiness for production deployment.
• Produce operational and performance KPIs, SLO/SLI metrics, and executive summaries to support senior decision-making.

Requirements

• Strong background in low latency network engineering, including TCP/IP, multicast, traffic shaping, and performance analysis.
• Proven experience with packet capture and analysis tools (Wireshark, tcpdump, Corvil/PICO); ability to build custom decoders is highly advantageous.
• Familiarity with SRE tools and practices, including infrastructure as code (IaC), CI/CD pipelines, error budgets, and reliability-focused SLIs/SLOs.
• Strong working knowledge of messaging middleware (Solace, 29West, Tibco, LBM, or equivalent) in performance-sensitive environments.
• Proficient in scripting and automation using Python, Bash, or PowerShell to streamline monitoring, alerting, and recovery workflows.
• Knowledge of FIX, market data, and order routing protocols in a trading environment.
• Exposure to observability platforms such as ITRS Geneos, Prometheus, Grafana, or custom telemetry stacks.
• Comfortable working across Linux systems, hybrid infrastructure, and global production environments.
• Excellent communication and reporting skills, with ability to translate technical data into actionable business insights.

Network Engineer - Contract

-London (2 days onsite, 3 days remote)
-550 per day (Inside IR35)
-6-month initial contract, with strong chance of extension
-Active SC Clearance required

We are looking for an experienced Network Engineer to join a high-profile project on a contract basis. This role offers the opportunity to work with cutting-edge Cisco technologies while helping to deliver secure, resilient, and modern network solutions.

In this position, you will take ownership of complex network issues and ensure they are resolved efficiently. You will support the rollout and optimisation of Cisco Software-Defined Access, collaborate closely with security, infrastructure and application teams, and contribute to the design of reliable and secure enterprise solutions. Clear documentation and knowledge sharing will be a key part of the role, along with mentoring and supporting colleagues where required.

The successful candidate will bring significant experience in network engineering, ideally five or more years with a focus on Cisco platforms. You will have proven exposure to Software-Defined Access, a solid understanding of enterprise networking protocols, and a working knowledge of network security principles. Familiarity with scripting or automation tools such as Python or Ansible is highly desirable, and professional certifications such as CCNP or higher will be an advantage.

This is a hybrid role requiring two days a week onsite in London. In return, you will receive a competitive day rate of 550 inside IR35, an initial six-month contract, and the strong likelihood of extension on a long-term project.

If you are SC Cleared and looking for your next contract opportunity, we would love to hear from you. Apply today to take the next step in your contracting career

Role Title: Network Engineer

6 months
Rate: 506
Hybrid -3 days on site in London


Role Summary

UK ITS AS (ENET) Engineer will be a member of the team that is responsible for the support and management of the of the infrastructure that supports the Bank's electronic business (known within other banks as Electronic Trading or Pre-Trade). This will be achieved by leveraging the technical expertise of other teams within UK ITS.

Team members will work closely with core Infrastructure teams, development and the business responding to requests, fault reports, often being required to resolve issues quickly, under pressure and sometimes out of hours. In addition to business as usual activity there are a great number of infrastructure projects and tasks that must be completed.

Role Description

• Deliver and support low latency connectivity and monitoring solutions for the Global Markets business, aligned with front-office trading and regulatory needs.
• Apply SRE principles to improve availability, latency, performance, and capacity planning across trading infrastructure.
• Collaborate with network and platform engineers to design reliable, self-healing systems and reduce manual intervention through automation.
• Own and execute the Global Markets connectivity roadmap, from project delivery through to operational handoff and lifecycle management.
• Partner with business stakeholders and platform owners to ensure infrastructure and observability tooling meets evolving trading requirements.
• Monitor and manage capacity and performance of global connectivity systems, working with regional teams to aggregate local intelligence.

• Develop and maintain automated alerting, health checks, and dashboards, supporting proactive detection of issues and system degradation.
• Lead lab-based testing and benchmarking initiatives for new connectivity solutions, ensuring readiness for production deployment.
• Produce operational and performance KPIs, SLO/SLI metrics, and executive summaries to support senior decision-making.

Requirements

• Strong background in low latency network engineering, including TCP/IP, multicast, traffic shaping, and performance analysis.
• Proven experience with packet capture and analysis tools (Wireshark, tcpdump, Corvil/PICO); ability to build custom decoders is highly advantageous.
• Familiarity with SRE tools and practices, including infrastructure as code (IaC), CI/CD pipelines, error budgets, and reliability-focused SLIs/SLOs.
• Strong working knowledge of messaging middleware (Solace, 29West, Tibco, LBM, or equivalent) in performance-sensitive environments.
• Proficient in scripting and automation using Python, Bash, or PowerShell to streamline monitoring, alerting, and recovery workflows.
• Knowledge of FIX, market data, and order routing protocols in a trading environment.
• Exposure to observability platforms such as ITRS Geneos, Prometheus, Grafana, or custom telemetry stacks.
• Comfortable working across Linux systems, hybrid infrastructure, and global production environments.
• Excellent communication and reporting skills, with ability to translate technical data into actionable business insights.

Network Engineer - Contract

-London (2 days onsite, 3 days remote)
-550 per day (Inside IR35)
-6-month initial contract, with strong chance of extension
-Active SC Clearance required

We are looking for an experienced Network Engineer to join a high-profile project on a contract basis. This role offers the opportunity to work with cutting-edge Cisco technologies while helping to deliver secure, resilient, and modern network solutions.

In this position, you will take ownership of complex network issues and ensure they are resolved efficiently. You will support the rollout and optimisation of Cisco Software-Defined Access, collaborate closely with security, infrastructure and application teams, and contribute to the design of reliable and secure enterprise solutions. Clear documentation and knowledge sharing will be a key part of the role, along with mentoring and supporting colleagues where required.

The successful candidate will bring significant experience in network engineering, ideally five or more years with a focus on Cisco platforms. You will have proven exposure to Software-Defined Access, a solid understanding of enterprise networking protocols, and a working knowledge of network security principles. Familiarity with scripting or automation tools such as Python or Ansible is highly desirable, and professional certifications such as CCNP or higher will be an advantage.

This is a hybrid role requiring two days a week onsite in London. In return, you will receive a competitive day rate of 550 inside IR35, an initial six-month contract, and the strong likelihood of extension on a long-term project.

If you are SC Cleared and looking for your next contract opportunity, we would love to hear from you. Apply today to take the next step in your contracting career

Lead Network Engineer

When you join our Engineering Team at Telent, you'll be empowered to innovate and drive common solutions, working closely with technical experts who are proud of the impact their work makes. Come join a high-performing team doing complex and critical work. Help build and keep the nation's critical infrastructure connected and protected 24/7.

Reporting to the Head of Focal Engineering, the Lead Engineer will serve as the primary technical liaison for the Parliamentary Digital Service (PDS) representing Telent Engineering across the Palace of Westminster and the wider Parliamentary Cisco Enterprise Estate.

This is a hybrid working role, with travel required to the Parliament Estate in London 1-2 days per week initially.

What you'll do:

• Act as the key technical point of contact between Telent Engineers and the Parliamentary Digital Service (PDS) for all aspects of network engineering.
• Support the delivery of a large-scale Cisco hardware refresh across the Palace of Westminster and wider Parliamentary Estate, ensuring minimal disruption to live services.
• Adhere to strict change control processes and maintain up-to-date technical documentation as part of working in a high-security, government-led environment.
• Attend daily operational calls with Parliament's IT operations teams to discuss faults, incidents, and change activity from the past 24 hours.
• Answer technical queries from both internal stakeholders and PDS engineers, offering guidance across switching, routing, wireless, and access control technologies.
• Engage in monthly and quarterly roadmap discussions to align with future requirements and network strategy across the Parliamentary Estate.

Who you are:

You're a highly skilled network engineer with proven experience in large-scale Cisco enterprise environments, with excellent communication and stakeholder management skills.

Key Requirements:

• Excellent interpersonal skills with exposure to working within pressurised enterprise environments.
• Strong hands-on experience with Cisco enterprise networking, including switching, routing, and wireless technologies
• Proficiency with Cisco Catalyst switches (including stacked deployments)
• Working knowledge of Cisco ISE, Prime Infrastructure, and Catalyst Centre
• Experience with Wireless LAN Controllers and large-scale Cisco Access Point deployments
• Solid understanding of enterprise LAN/WAN infrastructure
• Relevant certifications: CCNP (Routing & Switching or Security) essential; CCIE is advantageous.
• Must be eligible for UK SC & NPPV3 Clearance

What we offer:

A career at Telent can span many sectors, roles, technologies and clients giving you the opportunity to develop, learn new skills and make an impact. We are growing and we rely on our committed Team to deliver.

We nurture the talent that makes this happen, by our on-going commitment to creating an inclusive culture that respects and values difference, that celebrates diverse ideas. We want everyone to feel they can be themselves and to thrive at work.

The additional benefits with this role:

• Car Allowance
• 34 days holiday, including public holidays, plus the option to buy or sell days annually OR 26 days holiday, plus public holidays, and the option to buy or sell days annually
• Company pension scheme
• A range of family friendly policies
• Occupational health support and wellbeing Portal
• Discounts on Cinema, Restaurants and Shopping with Telent Reward scheme.

Learn more about Telent:

Click here for Telent Video!

We're passionate about creating an environment that champions diversity and inclusion, where everyone feels they belong, can be themselves and empowered to reach their full potential. People are at the heart of our business, and we believe that our teams should reflect the diverse experiences and backgrounds of the communities we support.

Transmode Network Engineer

6 Month Contract

London (Hybrid)

£400/day (Outside IR35)

Transmode Network Engineer needed with strong XTM and DWDM networks experience. 6 Month Rolling Contract. Start ASAP in September/October 2025.

Hybrid Working - with 75% remote working (WFH), plus occasional travel to sites in London (Paddington).

Working with a global IT Consultancy on large-scale network solutions projects for a Telecoms end client.

Key skills, experience + tasks will include:

• In-depth XTM (Cross-Connect Transport Module) and DWDM (Dense Wavelength Division Multiplexing) optical network systems expertise.
li>Managing / optimizing transport networks, ensuring high performance, reliability, and evaluating the impact of service cessation on network operations and infrastructure.
• Designing, implementing + maintaining DWDM and XTM network systems for robust data transmission.
• Monitoring network performance, troubleshooting + resolving transport networks issues.
• Defining network requirements + creating technical documentation including network design layouts + operational procedures.
• Network monitoring, network management + technical support.

Junior Field Network Engineer

London (field-based across London, Brighton, Oxford & surrounding areas)
26,000 - 33,000 + Overtime + On-Call + Van + Fuel Card (OTE +5k)
Company Van & Fuel Card Provided

Are you a hands on engineer looking to build your career in networking?
We're recruiting a Junior Field Network Engineer to join a growing technology business, supporting key contracts across London, South East, and beyond.

The Role

You'll provide field based support and installations for networking and connectivity systems. This is a varied, practical role that doesn't require prior network configuration experience - instead, you'll focus on the infrastructure, hardware, and field elements of networking projects. Full training will be given where required.

Key responsibilities:

• Attend client sites across South London and surrounding areas
• Install, service, and maintain network equipment and connectivity solutions
• Work with new technologies such as Starlink and other modern connectivity systems
• Support senior engineers and develop your skills through training and mentoring
• Participate in on-call rota after training/probation
• Complete reports and keep accurate records

About You

• Previous hands-on engineering/field service experience (IT, telecoms, AV, or similar)
• Willingness to learn network and connectivity systems (full training provided)
• South London-based (Lewisham area ideal)
• Clean UK driving licence & full right to work in the UK
• Flexible for overtime and on-call (additional earning potential)

What's On Offer

• Salary: 26k-33k DOE
• Company van & fuel card
• Overtime & on-call allowance (extra 5k+ earning potential)
• Full training on systems & technologies
• Opportunity to work with new tech (e.g. Starlink)
• Career development within a fast-growing business

How to Apply

If you're practical, reliable, and eager to grow your skills as a Field Network Engineer, apply today with your CV.

Recruitment managed on behalf of the client. Company details shared with shortlisted candidates.

Keywords

Junior Field Engineer | Junior Network Engineer | Field Service Engineer | Telecoms Engineer | Network Support Engineer | Field Service Technician | Junior IT Engineer | Field Installation Engineer | Connectivity Engineer | Starlink Engineer | Broadband Engineer | Field Networking Jobs | South London Field Engineer Jobs | Lewisham Field Engineer Jobs

INDAV

Transmode Network Engineer

6 Month Contract

London (Hybrid)

£400/day (Outside IR35)

Transmode Network Engineer needed with strong XTM and DWDM networks experience. 6 Month Rolling Contract. Start ASAP in September/October 2025.

Hybrid Working - with 75% remote working (WFH), plus occasional travel to sites in London (Paddington).

Working with a global IT Consultancy on large-scale network solutions projects for a Telecoms end client.

Key skills, experience + tasks will include:

• In-depth XTM (Cross-Connect Transport Module) and DWDM (Dense Wavelength Division Multiplexing) optical network systems expertise.
li>Managing / optimizing transport networks, ensuring high performance, reliability, and evaluating the impact of service cessation on network operations and infrastructure.
• Designing, implementing + maintaining DWDM and XTM network systems for robust data transmission.
• Monitoring network performance, troubleshooting + resolving transport networks issues.
• Defining network requirements + creating technical documentation including network design layouts + operational procedures.
• Network monitoring, network management + technical support.

Lead Network Engineer

When you join our Engineering Team at Telent, you'll be empowered to innovate and drive common solutions, working closely with technical experts who are proud of the impact their work makes. Come join a high-performing team doing complex and critical work. Help build and keep the nation's critical infrastructure connected and protected 24/7.

Reporting to the Head of Focal Engineering, the Lead Engineer will serve as the primary technical liaison for the Parliamentary Digital Service (PDS) representing Telent Engineering across the Palace of Westminster and the wider Parliamentary Cisco Enterprise Estate.

This is a hybrid working role, with travel required to the Parliament Estate in London 1-2 days per week initially.

What you'll do:

• Act as the key technical point of contact between Telent Engineers and the Parliamentary Digital Service (PDS) for all aspects of network engineering.
• Support the delivery of a large-scale Cisco hardware refresh across the Palace of Westminster and wider Parliamentary Estate, ensuring minimal disruption to live services.
• Adhere to strict change control processes and maintain up-to-date technical documentation as part of working in a high-security, government-led environment.
• Attend daily operational calls with Parliament's IT operations teams to discuss faults, incidents, and change activity from the past 24 hours.
• Answer technical queries from both internal stakeholders and PDS engineers, offering guidance across switching, routing, wireless, and access control technologies.
• Engage in monthly and quarterly roadmap discussions to align with future requirements and network strategy across the Parliamentary Estate.

Who you are:

You're a highly skilled network engineer with proven experience in large-scale Cisco enterprise environments, with excellent communication and stakeholder management skills.

Key Requirements:

• Excellent interpersonal skills with exposure to working within pressurised enterprise environments.
• Strong hands-on experience with Cisco enterprise networking, including switching, routing, and wireless technologies
• Proficiency with Cisco Catalyst switches (including stacked deployments)
• Working knowledge of Cisco ISE, Prime Infrastructure, and Catalyst Centre
• Experience with Wireless LAN Controllers and large-scale Cisco Access Point deployments
• Solid understanding of enterprise LAN/WAN infrastructure
• Relevant certifications: CCNP (Routing & Switching or Security) essential; CCIE is advantageous.
• Must be eligible for UK SC & NPPV3 Clearance

What we offer:

A career at Telent can span many sectors, roles, technologies and clients giving you the opportunity to develop, learn new skills and make an impact. We are growing and we rely on our committed Team to deliver.

We nurture the talent that makes this happen, by our on-going commitment to creating an inclusive culture that respects and values difference, that celebrates diverse ideas. We want everyone to feel they can be themselves and to thrive at work.

The additional benefits with this role:

• Car Allowance
• 34 days holiday, including public holidays, plus the option to buy or sell days annually OR 26 days holiday, plus public holidays, and the option to buy or sell days annually
• Company pension scheme
• A range of family friendly policies
• Occupational health support and wellbeing Portal
• Discounts on Cinema, Restaurants and Shopping with Telent Reward scheme.

Learn more about Telent:

Click here for Telent Video!

We're passionate about creating an environment that champions diversity and inclusion, where everyone feels they belong, can be themselves and empowered to reach their full potential. People are at the heart of our business, and we believe that our teams should reflect the diverse experiences and backgrounds of the communities we support.