Mid-Level Network Engineer

CACI
London, UK
4 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Experienced
Experience required
2 years minimum
Working hours
Shift work

Tech stack

Border Gateway Protocol Catalyst (Software) Databases Data Centers EtherChannel Network Topologies Multi-protocol Systems Python (Programming Language) Network Architecture Networking Basics Network Diagrams Cisco Nexus Switches
+6 more
Open Shortest Path First (OSPF) Virtual Local Area Networks Scripting Computer Network Operations Routing & Switching Cisco

Job description

A Level 2 Network Engineer is required to join the UK Deployment Team, responsible for the deployment and planning of our customers network infrastructure. The team is responsible for the delivery and deployment of network/security projects and requests to enhance the client’s infrastructure to meet current and future business demands., Plan, manage and deploy technology changes to support DC services

  • Deploy LAN infrastructure to support end user services requirements
  • Includes patching schedules for facilities to cable network equipment
  • Diagrams for Network Operations
  • Inventory management

Create implementation plans for RFC’s to a high level of detail.

  • Correctly document pre and post checks for change verification purposes
  • Understand and document back out plans, clearly identifying back out points.
  • Identify points of no return

Support the stability and uptime of essential services by planning changes with a documented best approach mind set.

  • Identify where changes can be complete with zero downtime to hosted services.
  • Plan and implement changes with a cost effective resource strategy.

Identify, understand and document change risks and mitigation tactics.

  • Identify, understand and document impact of planned technology changes, including documentation expected output from verification.

Document network estate for Operation Support and to support change planning

  • Maintain infrastructure database
  • Complete network diagrams to a high standard.

Peer review and validation of technical deployment plans

  • Provide constructive feedback to peers to support change control requirement and maintain high standards of detail and quality offered by CACI.

Requirements

  • Good level of Cisco Routing & Switching
  • Proficient with multiple routing methods, route summarization.
  • Designs medium enterprise routing domains.
  • Experience working on Cisco Nexus and Catalyst platforms.
  • Experience in configuring VLAN trunking, EtherChannel, Layer 2 redundancy.
  • Designs Layer 2 topology to avoid loops, tuning STP for large networks.
  • Designs medium to large enterprise switching networks.
  • Ability to handle numerous separate projects concurrently
  • Ability to work under pressure and to tight deadlines whilst maintaining attention to detail.
  • Able to implement BGP policies, communities, route maps.
  • Enterprise LAN, WAN and Data Centre architectures
  • Network migration and transformation projects
  • Analyse, review and understand network topologies.
  • Experience in designing rack layouts, structured cabling for medium DCs.
  • Able to implement BGP/OSPF within data centres.
  • Designs hybrid DC connectivity (MPLS, Direct Connect, ExpressRoute).
  • Designs large enterprise/global WAN, hybrid routing.
  • Coordinate multiple projects, change management and governance efficiently working both independently and as a member of a team.
  • Good understanding of networking principles.
  • Good customer facing skills with the ability to keep the customer informed at all times and understand their requirements

Desirable skills (not essential)

  • Automation/Scripting experience in python

About the company

About CACI

From our headquarters in London, we’re busy empowering organisations to make bold, strategic moves with the power of data and technology. Founded in 1975, our operations take place from multiple offices across the UK, Europe and India with over 1600 Full time employees and an annual turnover of £179m

Our expertise spans industries, from retail and education to public sector and transport - delivering intelligent solutions that drive progress and create measurable impact. Whether it’s business intelligence, customer marketing, cloud infrastructure, cybersecurity, critical national infrastructure or data management, our approach is never one-size-fits-all.

We don’t just deliver solutions; we build for the tomorrow’s world, all while fostering a culture that allows employees to be their authentic selves and succeed in their careers.

About Network Services

CACI Network Services is a rapidly expanding specialist IT and Networks consultancy offering a wide variety of opportunities to work within challenging and exciting environments with our major clients in Global Media, Banking, Government, Telecoms & Utilities., CACI is proud to be an equal employer. Embracing the diversity of our people, we are on a journey to build a truly inclusive work environment where no one is treated less favorably due to ethnic origin, age, gender, veteran status, religion or belief, sexual orientation, marital status, and disability or health condition, actively working to prevent discrimination.

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on www.careerboard.com

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

1:29 min

Expanding practical knowledge with community sandboxes and resources

Stuart Clark · LIVE

1:04 min

Introduction to Bitcoin script parsing tools

Steve Shadders · LIVE

3:04 min

Database evolution and the funding behind vector databases

Erik Bamberg · LIVE

3:46 min

Navigating a career in cloud transformation consulting

Piet Van Dongen · LIVE

3:45 min

Prototyping deterministic agents with n8n and PyATS

Alfonso Sandoval Rosas Alfonso Sandoval Rosas · Europe 2026 Virtual

1:23 min

Closing thoughts and educational resources for edge network engineering

Austin Gil · LIVE

Videos

See all

Related articles

See all