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Corporate Networks Manager (001895) in London or St Johns at Inmarsat

Date Posted: 5/25/2018

Job Snapshot

Job Description

Primary role purpose:

Inmarsat Corporate Networks manages Inmarsat’s data communications network.  Currently Corporate Networks operate a network, which provides data communications to various sites and systems as part of Business Infrastructure (Email, LAN, and Remote access) and Revenue earning systems.  These networks are critical to Inmarsat’s revenue generation and have to be treated as such, to provide secure resilient and timely movement of data. The networks are being expanded as new Inmarsat offices are opened, new systems implemented, new requirements are formulated and network updated to current industry standards and best practises.

Most of the equipment consists of Cisco Routers ranging from 2800 to 3900 and ASR 1K series, Cisco ASA/FTD Firepower Services and Palo Alto Firewalls, Cisco L2/L3 switches (up to 6500 and Nexus 5K/7K), Orion, Cacti network monitoring.  Cisco Wireless/ISE and Riverbed Steelhead WAN Acceleration.

Inmarsat are looking to further define the corporate networking strategy looking at how newer technologies can enable a more effective and efficient function. With a Cloud first strategy being at the heart of the Group IT strategy its imperative the corporate networking strategy is aligned. This will be a key responsibility for the candidate to drive forward.

Job Requirements

Responsibilities of the individual in this position include:

  • Define out a new Corporate Network roadmap/strategy embracing new technologies to take corporate networking at Inmarsat to a new and desired future state recognising a cloud first strategy.
  • Maintain health & integrity of network, Security is monitored and industry best practice is applied and network secured. Identify systems that are end of life, end of sale with a clear plan of recommendations and identify areas that can be consolidated using existing infrastructure
  • Ensuring service and performance is meeting our customer needs, understanding the impact of changes being made and service faults. Responding in a timely manner and able to track and manage faults, co-ordinating with internal and external parties.
  • Collaboration with Group security on ensuring critical vulnerabilities are identified and vulnerabilities are patched in a timely manner in conjunction with Group Security approval
  • Identify and recommend areas of automation for the corporate network using best of breed toolsets utilising existing tools as the first choice avoiding tool proliferation
  • Develop design principles, models, plans, internal standards, budgets, and processes based on industry best practices.
  • Continually update understanding of business and technology status and objectives and respond to strategic design requests as the business evolves.

Demonstrably maintain and improve core people management skills including, as a minimum:

  • Create a supportive learning environment to build for the future
  • Regular, quality conversations to encourage high performance
  • Core Management Objective/Guidance and Team Leadership to Corporate Network Group 


  • Analyse any new requirements from various stakeholder groups, and ensuring the corporate network team provides a design framework to ensure the new requirements can be incorporated to the design for projects, tasks and network related activities.
  • Day to day support of the Corporate Network, IT ServiceNow triage and handling of Incidents/Requests, monitoring, documentation and working closely with Cyber Security teams
  • Responsible for the 1st - 3rd line network and support of network services.
  • Review the feasibility of new and existing IT projects, taking into account Inmarsat Cloud first approach
  • Communicate the role and value of the network to the organization and present the business case for technology investments.
  • Produce and / or endorse network standards
  • Write technical and business documentation
  • Review designs for standards compliance and architecture compliance
  • Communicate with enterprise architects and management on the progress of projects.
  • Project support for the corporate network team supporting projects such as Billing, Data Centre as a service (DCaaS), Cloud, Network Infrastructure replacements such as switches, firewalls, routers ensuring associated documentation and network diagrams are maintained and updated
  • Ensuring the corporate network team maintain and update as needed
  • CMDB Network Inventory
  • IP Addressing
  • Network Documentation/Procedures

 Required Expertise and Knowledge

  • Qualified to at least CCNP level
  • Solid experience in designing, developing, configuring, and implementing enterprise networks with diverse solutions from multiple vendors.
  • In-depth understanding of business strategy and ability to interact effectively with senior business managers and C-level executives.
  • Experience with either design and implementation, or operation of, large-scale enterprise deployments of network security infrastructures using a continuous improvement methodology while enforcing compliance standards.
  • Experience with SD WAN and other new technologies that can take networks at Inmarsat to a desired future state.
  • Experience of Cloud technologies, ideally AWS
  • Strong leadership and negotiation skills with business and technical groups
  • Excellent verbal and written communication skills
  • Strong organizational and people management skills
  • Demonstrated ability to build consensus amongst many stakeholders
  • Ability to think out of the box and promote new ideas
  • Experience in network security especially Palo Alto and Cisco security
  • Experienced in designing, implementing and operating corporate network specialising in the security side
  • Expert in designing Networks and integration of systems across a WAN network
  • Has previous successful experience of implementing networks starting from user requirements.
  • Should be a self-starter who can pro-actively manage his/her schedule.
  • Knowledge of Wan Acceleration Systems, ideally Riverbed.
  • Knowledge of IPAM – IP Address management.