Senior Network Engineer - 12 Month FTC - Circa 75k

The Client

Based in London, my client is a prestigious professional services organisation boasting a workplace with cutting-edge people that is moving with modern ways of working. Named as one of the leading professional services organisations to work for three times in a row, the work environment attracts seasoned professionals who want to be part of the best of breed.

The Senior Network Engineer is a technical expert responsible for the design, implementation, and support of enterprise-scale network infrastructure, ensuring secure, stable, and scalable services across the organisation.

Who you will work with

You will work within the Networks Engineering team as part of Global IT Operations, collaborating with Network Operations, Infrastructure Services, and stakeholders across regions.

What you will be responsible for

The Network Engineer is responsible for ensuring that defined network and security standards are consistently implemented and maintained across the organisation. The role contributes to technical design and implementation activities to ensure the reliable, secure, and efficient operation of the network infrastructure throughout its full lifecycle. In addition, Network Engineers provide technical support to the offshore Network Operations. The role acts as a technical escalation point for the offshore team, particularly during critical or high-severity incidents.

Key Responsibilities

• Ensure network and security standards are implemented and adhered to across all environments.
• Deliver technical design, implementation, and lifecycle management of network infrastructure.
• Maintain the stability, performance, and security of the enterprise network.
• Act as the escalation point for complex and critical network/security incidents.
• Support incident response.
• Drive continuous improvement of network operations, security posture, and operational processes.
• Participate in the on-call rota for out-of-hours and weekend support (1 in 3).

Services within remit include, but are not limited to: routing & switching, LAN & WAN, ISE, Wireless, Load Balancing, NGFW, SASE, DNS, ZTNA.

What you will do

Design & Engineering

• Define and enforce standards ensuring that they are always implemented and adhered to throughout the global infrastructure.
• Ownership of design and delivery of Network and Network Security projects.
• Produce technical level documentation (HLD, LLD, KBs).
• Identify and correct non-compliance issues.
• Help shape the strategic direction for Network and network security services.
• Help maintain a delivery roadmap for all Network and network security products, with at least a rolling 2-year outlook.
• Support managing the Technology Lifecycle Management for all Network products, reviewing on a bi-annual basis to ensure it remains up to date.
• Support investment planning; including business case, budget preparation, and timeline determination.
• Produce accurate bills of materials to support the technical designs including hardware, software, and licensing.

Your career experience so far

You will have at least 10 years' experience of network and network security within a global enterprise scale organisation (5000-50,000 users), with at least 2-3 years working as an engineer in a similar role. You will have considerable first-hand experience of defining standards and creating designs, as well as implementing technical solutions to meet the business requirements. You will be experienced with providing technical support in a pressurised environment, ideally within legal or banking. Ability to effectively communicate with all stakeholders and global colleagues at all levels.

You will have expert knowledge and experience of the following areas:

• Routing & Switching
• Network Access Control
• Wireless LAN Controller & Access Points
• LAN & WAN design
• Load Balancing
• SDWAN
• Meraki

You would ideally have a solid understanding or experience with the following areas:

• QoS (Quality of Service)
• Network Monitoring & Alerting
• TLS
• Unix command line
• APING
• FW
• SASE/Web Filtering
• DNS
• Azure

Nice to Have

• Network automation (Terraform/Ansible)
• Proficiency in any high-level programming language (i.e. Python)
• Modern Authentication (i.e. SAML, SSO)