Network Architect - Core IP Network Design

London Permanent £85,000 - £90,000 per year
  • Opportunity to join a leading UK Based Satellite Operator
  • Hybrid working

About Our Client

Our client is a leading provider of satellite operations across the globe.

Job Description

ROLE PURPOSEThe role will report directly into the Head of System Engineering and whilst specific responsibilities will be dependent
upon the changing needs of the business, the following provides an overview of the role's key responsibilities
and measures

  • Architect, design, and implement solutions leveraging existing infrastructure components, while incorporating new technologies to establish best practices.
  • Resolve novel incidents and drive proactive changes to prevent future issues.
  • Contribute to developing the Technology Roadmap for data centers and services.
  • Evaluate and implement new tools and techniques, understanding their value and impact.
  • Lead technical discussions and confidently present to diverse audiences.
  • Mentor junior system engineers, ensuring high-quality designs and considering broader infrastructure impacts.
  • Stay updated on technical skills and emerging technologies to benefit the team.
  • Introduce automation for improved performance and efficiency.
  • Serve as the primary technical and design authority for the team, fostering key relationships with Architecture and Product teams.


  • Develop high and low-level designs for MPLS - all IP core networks, ensuring seamless connectivity and optimal performance.
  • Oversee the design and implementation of Core IP domain networks, employing best practices to enhance reliability and scalability.
  • Utilize extensive IP networking experience to architect robust solutions that meet business requirements and industry standards.
  • Create detailed High-Level Design (HLD) and Low-Level Design (LLD) documentation for MPLS networks, ensuring clarity and alignment with project objectives.
  • Drive design and deployment initiatives, leveraging expertise to deliver efficient and effective network solutions.
  • Lead Core Network design projects, particularly focusing on Software-Defined Wide Area Network (SD WAN) implementations to support evolving business needs.
  • Demonstrate proficiency with Juniper technologies, leveraging them effectively within network architectures to optimize performance and functionality.
  • Apply deep understanding of IP domain principles to troubleshoot complex network issues and implement strategic improvements.
  • Collaborate with cross-functional teams to ensure successful execution of network design and deployment projects.
  • Stay abreast of industry trends and technological advancements, continually enhancing skills and knowledge to drive innovation and excellence in network design and implementation

The Successful Applicant

Required Technology Skills:

Practical Experience:

  • Proficient in designing, operating, and troubleshooting large-scaleMultilayer Switching and Routing environments using Juniper,Arista, and Cisco equipment and operating systems, with expertise in technologieslikeMulticast,PortChanneling,EIGRP,CDP,GLBP,VRF,andQoS.

  • Extensive knowledge of Wide Area Networking technologies and protocols such as MPLS, WAN, CoS, and DWDM, including experience with major Global Communications suppliers.
  • Strong technical understanding of OSI network topologies, including proficiency in troubleshooting and design of Routing Protocols (BGP, OSPF, iGRP), DNS, DHCP, IP Address Management, and TCP/UDP Port RFC & IEEE 802-based standards.
  • Experience deploying Juniper/Cisco switches in Spine/Leaf topology configurations.
  • Advanced experience in VPN technologies and protocols, including IPSec, Public/Private configurations.
  • Proficiency in Load Balancing & Global/DNS balancing technologies and techniques, preferably with Fortinet hardware and/or software appliances/cloud versions.
  • Good understanding of Network Management technologies and protocols such as SNMP, Netflow, IPSLA, with practical experience in associated Network Management & Alerting Tools.

Desired Technical Skills:

  • Knowledge of Firewall Platforms and Technologies, including configuration of Fortinet, along with associated Management Systems and Firewall rule analysis tools (e.g., Skybox, Tufin).
  • Expertise in remote access and two-factor authentication technologies and AAA solutions, such as RSA, Juniper/Pulse, Cisco ACS, Radius.
  • Familiarity with SDN/automation technologies, configuration tools (e.g., Juniper/MIST, G.I.T, Chef, Ansible, Puppet), preferably in a DevOps environment.
  • Proficiency in Automation and Scripting languages such as Python, Unix/Linux, or PowerShell & Batch.

What's on Offer

This role is paying up to £90,000 for the perfect candidate plus up to 10% bonus based on company performance.

The ideal candidate must have extensive experience working with SD-WAN, Core-Wan, IP Domains, HLD/LLD for MPLS and Juniper exposure.

This is a hybrid role - 2 days on site are required every week in West London

Henry Hayes
Quote job ref
Phone number
+44 207 269 2341

Job summary

Job function
IT Architecture
Technology & Telecoms
Contract type
Consultant name
Henry Hayes
Consultant phone
+44 207 269 2341
Job reference