L2 Field Engineer
Confirmed on the employer's own hiring board on Oct 21, 2026. First seen by Alion on Oct 20, 2026.
About The Role
The L2 Field Engineer leads field-based deployment and maintenance activities, applying advanced technical knowledge to resolve complex issues, coordinate tasks, and support junior engineers. The role ensures high-quality service delivery through proactive fault management, technical leadership, and adherence to engineering best practices. By combining hands-on execution with mentoring, the L2 Field Engineer enhances team capability and drives continuous improvement in technical performance.
The role is primarily home-based and reactive, with flexibility required to work across changing environments and locations. OOH on-call cover is also required as part of an agreed rota.
What You'll Do
- Provide first-line maintenance, installation and commissioning support across Indigo's customer base, working across both project and maintenance environments.
- Respond to interventions and assigned faults in a timely manner, taking ownership through to resolution and ensuring SLAs and KPIs are met.
- Carry out fault finding and diagnosis of complex technical issues, following instructions from Indigo or customer NOCs and using appropriate test equipment and procedures, including OTDR, Ethernet and OSA testing.
- Install and commission telecoms infrastructure including rack and stack, fibre and copper cabling, cable termination, labelling, testing and AC/DC connectivity in line with required standards.
- Complete testing and measurement of cable and fibre runs and support network commissioning across complex technologies and environments.
- Provide technical leadership and direction to engineers through field supervision, hands-on coaching, workshops and mentoring.
- Lead designated projects as the Lead Engineer, acting as the technical escalation point, coordinating field activities and supporting Project Managers where required.
- Define, implement and audit field installation quality standards, managing rectification and continuous improvement activities.
- Manage Risk Assessment Method Statement documentation and, where required, perform, manage and record HSE and SVSA inspections.
- Provide regular updates to key stakeholders on intervention progress, site issues and team performance, escalating concerns as required.
- Produce accurate project documentation and complete all required paperwork within agreed SLAs.
- Support Service Partner programmes and provide KPI-based performance feedback on deployment teams.
- Maintain excellent working relationships with customers, colleagues and partners while always representing Indigo professionally.
- Comply with company and local standards, procedures and protocols, maintaining high standards of Health & Safety, engineering quality and professional conduct.
- Demonstrate flexibility to meet changing business requirements and undertake other duties as required.
About You
What We're Looking For
- Qualified and highly experienced in physically building telecoms infrastructure from plans and to defined quality requirements.
- Highly experienced in network commissioning, testing and fault finding, with the ability to provide technical leadership, mentoring and input into technical designs and issues.
- Extensive hands-on technical experience across:
- Transmission systems, including PDH, SDH, DWDM and optical technologies.
- Structured cabling, including fibre optic cabling, installation and maintenance to technical standards.
- IP WAN/LAN networking and VoIP, with hands-on testing experience across 10/100/1000Mbps, 10G, 40G and 100G.
- Voice, data and IP services/networks across public and private sector environments.
- Support systems, including AC/DC power, TSC and BMS systems.
- Experienced in the installation, maintenance and commissioning of Ciena, Infinera, Nokia, Juniper and Cisco equipment, with strong knowledge of networking, optical transmission systems and IP.
- Proven customer-facing experience in similar technical environments, with the ability to work under pressure and influence others positively.
- Excellent written and verbal communication skills, strong report writing ability, and proficiency in Microsoft Office 365
- Full, valid driving licence.
At Indigo, we believe our greatest strength is our people. We're committed to creating an inclusive environment where everyone feels valued, respected and able to do their best work. We welcome applications from candidates of all backgrounds and make employment decisions based on skills, experience and potential. If you need any reasonable adjustments during the recruitment process, we're here to support you.
About Indigo
Indigo is a strategic operational partner for critical digital infrastructure. We help customers design, deploy, support and scale the infrastructure their businesses rely on, giving them greater control, consistency and confidence. Our teams work across subsea, terrestrial, wireless, data centre and NOC environments, bringing specialist expertise, 24/7 support, field services and managed services together under one accountable model.
Being part of Indigo means working in a business where operational excellence, customer trust and doing things properly matter. We support customers in complex, performance-critical environments, helping them reduce risk, protect performance and deliver with confidence. Our people are central to that mission, bringing the skill, responsiveness and accountability needed to support the next generation of digital infrastructure. As an Investors in People Gold accredited employer, we're committed to investing in the growth and development of our people.
Skills
Skills - NOC, Skills - Subsea, Skills - Data Centre, Skills - Wireless, Skills - Fibre, Skills - OTDR, Skills - CISCO, Skills - Juniper, Skills - DWDM, Skills - Field Engineer, Skills - Infinera, Skills - AC/DC Power, Skills - Project Manager, Skills - Engineer, Skills - Ciena