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Senior Systems Administrator

Location:
Cheltenham
Job Description
This role is responsible for providing systems administration across the region on premise, hosted and cloud environments, ensuring maximum availability, performance and security of systems. Part of the dedicated IT Solutions team in the UK, the Senior Systems Administrator provides support across EMEA as required.
Different thinking for a Different world
Northrop Grumman is involved in a range of future game-changing defence and security programmes. Whether this is as a partner in the F-35 Lightning II providing the aircraft with much of its situational awareness and communications, as a leading specialist in large intelligence datasets, as a pre-eminent provider of High Altitude Long Endurance unmanned aircraft systems, or as the ‘go to’ provider for truly open system architectures for battlespace networks, communications, and command and control, Northrop Grumman has an unparalleled reputation as an innovator. 
How you will make a difference

Key Responsibilities

  • Apply subject matter expertise to provide recommendations regarding systems administration to management and guide other team members as needed

  • Contribute to the planning and development of the overall service

  • Install, configure, administer, troubleshoot, and resolve system issues as required

  • Participate as directed by the Infrastructure Manager in rosters and other arrangements necessary for the delivery of 24/7 services, undertaking responsibilities as part of the Systems Administration Team On-call rota, working flexibly to deliver out-of-hours planned and unplanned network changes

  • Generate reports /statistics as needed

  • Meet/Exceed SLAs

  • Serve as Systems Administration lead on advanced projects and/or programmes

  • Act as advisor to management and customers on advanced technical research studies and applications

  • Apply advanced technical principles, theories and concepts to resolve issues

  • Contribute to the development of new principles & concepts

  • Follow, maintain and disseminate approved procedures, including adherence to ISO20000 & ISO27001 standards

  

General Operational duties

  • Attend IT department meetings as required

  • Remain compliant with all applicable IT Processes and procedures

  • Support the Infrastructure Manager in developing and growing a professional and engaged team

 

Person Specification

Essential Qualifications/Experience

  • CompTIA Security+

  • VMware Certified Professional – vSphere

  • Citrix Certified Administrator – XenApp/XenDesktop

  • Exceptional IT troubleshooting experience in dealing with a wide range of different processes and systems

  • Demonstrable experience of working in a team-oriented, collaborative environment

  • Experience providing system administration to company / mission critical IT systems and contributing to their further development

  • Experience supervising / mentoring systems administrator staff

  • Experience of 3rd line support with system architecting delivery

  • Comprehensive experience of supporting Windows Server 2008-2019 including Active Directory/Group Policy administration/ DNS - including replication and multiple site deployments

  • Remote support/diagnosis of servers/desktop/users

 

Specific systems administration experience of:

  • Microsoft Skype for Business

  • Microsoft Exchange deployment and administration - Microsoft Exchange 2013

  • SharePoint administration and maintenance - SharePoint 2010/2013

  • Basic SQL Server administration/database concepts - MS SQL 2005-2019

  • Citrix XenApp/XenDesktop and Citrix Netscalar

  • Anti-Virus/Endpoint Security - Preferably Symantec/Sophos

  • Netbackup/IBM TSM

  • Supporting MS Dynamics

  • PowerShell and VB scripting

  • ISCSI and Fiber Channel Storage Technologies – EMC SAN/Dell NetApp

  • RADIUS Authentication/AAA

  • Amazon Web Services/Azure

  • Certificate Authorities

  • Proofpoint (Mail Filtering)

  • VMware vSphere 6.5+

 

Preferred Qualifications/Experience

  • MCSA Qualified (MCSE would be advantageous)

  • Cloud certification, particularly AWS

  • Active Directory Federated Trusts

  • Clustering

  • ITIL Certified

  • Experience/ Knowledge of ISO20000 & ISO27001

 

Competency/Skill requirements

  • Commitment to superior customer service

  • Adept at working without supervision to organise, prioritise, delegate, and complete tasks on an ongoing basis

  • Excellent interpersonal skills, able to meet the needs of a wide range of external and internal service clients and to develop effective working relationships within the company

  • Fluent in written and spoken English

  • Sound networking knowledge – TCP/IP, DHCP, DNS, MPLS

  • Strong sense of urgency

  • Highly self-motivated and directed

  • Excellent organisational skills, with a keen attention to detail

  • Adept at multi-tasking and working effectively whilst under pressure and to deadlines

  • Proven analytical and problem-solving abilities

  • Good understanding of Cloud Platforms (SaaS, IaaS) from a service perspective

 

Other requirements

  • Travel requirements: Regular UK travel for meetings, conferences, data centre activities and incident resolution as required. Travel for training activities may also be required. Valid UK driving licence.

  • Clearance requirements: The post-holder must hold and maintain UK Government clearances