System Administrator

A passionate, highly experienced, and detail oriented system administrator with advanced knowledge of Windows and Linux. Experienced with medium-sized enterprise level network design; Linux and Windows system administration; systems analysis and integration; network security; user configuration and management; technical support; and computer maintenance.

Specialties



  • Linux System Administration
  • Ruby Shell Scripting
  • Amazon Web Services Administration
  • PostgreSQL Database Administration
  • Windows System Administration
  • Active Directory and Group Policy
  • Network Engineering & Security
  • Troubleshooting and Fault Diagnosis

Career History



Jan 2018 -- Present
Linux System Administrator, Akixi Ltd., Crawley, West Sussex, United Kingdom

Experience

  • Administers, configures, maintains, and develops ~100 Linux-based production servers, PostgreSQL databases, and all aspects of associated AWS cloud infrastructure, including AMI creation, EC2 instance configuration, RDS, VPC configuration, CloudWatch monitoring, S3 backups, and asset tracking.
  • Performs in-depth investigations of system faults to determine root causes and develops system solutions to mitigate and resolve identified issues.
  • Communicates with clients to analyse and establish requirements; researches, develops, and implements appropriate technical solutions to adapt client requirements to existing systems; documents new systems and processses; and ensures that projects are completed within the agreed time frame.

Achievements

  • Researched, designed, and implemented AWS cloud infrastructure for a client requiring encrypted private communication to access network. Created private VPC connected to client via IPsec VPN tunnels with BGP propagated routes; arranged and successfully migrated live service to new platform with minimal disruption and within the agreed time frame.

Sep 2015 -- Jan 2018
Senior Broadcast Engineer, Kantar Media UK, Westgate, London, United Kingdom

Kantar Media UK are the core supplier of the official TV viewing data to the Broadcasters' Audience Research Board (BARB) for all of the broadcast channels in the UK.

Experience

  • Administered, configured, and maintained ~200 Linux-based production servers.
  • Designed, developed, and tested broadcast technologies and Linux-based systems used to collect reference data.
  • Ensured reference data quality via Nagios-based monitoring system and performed in-depth analysis of collected reference data.
  • Supervised data centre operations and worked with the broadcast technicians to ensure effective working of the data centre and that all daily operational requirements were met.

Achievements:

  • Designed and successfully developed Linux-based prototype to take transponder DVB streams and stream the individual video and audio components via a local multicast network; developed referencing clients to receive multicast streams and route audio to an appropriate virtual sound card for collection by referencing software. Project represented a leap from analog to digital audio referencing with significant potential space and cost savings as a result.

May 2011 -- May 2015
Hardware Support Technician / System Administrator, Zoom Media UK, Shepperton, London, United Kingdom

Administered network, including RAID, DHCP, DNS, and Active Directory servers; designed and implemented network upgrades; supported network users on a range of platforms including Windows and Macintosh; managed UK computer workshop inputs, outputs, and operations; resolved end-user issues; and assisted engineers during server installation.

Experience

  • Administered a production network of 50+ users, and remotely supported a network of over 800 media servers
  • Managed computer workshop and stock, building and repairing an average of 30 servers per week. Successfully performed a 120 server upgrade over a 12 week period
  • Provided technical support for clients and end-users via telephone and email
  • Planned, designed, and coordinated the migration of a production network to domain control with minimal downtime
  • Designed and maintained a disaster recovery plan for network data via a backup rotation scheme
  • Managed several employees, including training an apprentice in server repair and management
  • Researched and developed technical solutions as per business needs; advised on suitable methods and technology purchases in order to meet operational requirements
  • Coordinated with administrators and ISPs to ensure availability between various networks, and worked closely with software development team to troubleshoot issues

Achievements:

  • Planned, designed, and implemented an enterprise level domain network to allow access to resources across multiple locations.
  • Successfully managed computer workshop to allow a £100k 120 server upgrade to run as smoothly as possible over a 12 week period.
  • Improved workshop expenditure, production, and machine reliability by revising diagnostic and repair methods.
Dec 2010 -- Jul 2011
Attended London Electronics College
Oct 2006 -- Mar 2010
Freelance Computer Technician, London, United Kingdom

Provided repair services to the domestic market, servicing computer systems, installing home networks, and suggesting software and hardware solutions.

Experience

  • Developed client relationships in order to ensure client satisfaction and turn business
  • Communicated with clients directly to discuss repair needs, installation requirements, and costs
  • Provided hardware and network installation services for clients
  • Suggested hardware and software solutions within the budgets of the customer
  • Travelled to and from customer sites to perform required work

Academic Qualifications


Jul 2011
Level 3 Diploma in Information Technology, London Electronics College, London, United Kingdom
  • Selected Highlights: Database Design, Spreadsheet Modelling, Website Development, Systems Analysis and Design, Information Systems, Impact of the Use of IT on Business Systems
  • Final Grade: Distinction* Distinction
Jul 2011
Level 2 Certificate in Information Technology (ITQ), London Electronics College, London, United Kingdom
Jul 2011
Level 1 Functional Skills in Maths, English, and ICT, London Electronics College, London, United Kingdom

Voluntary Work


2009 -- 2014
Editor, Beyond Linux From Scratch

Promoted to full-time editor of BLFS. Performed role in conjunction with freelance work, utilising spare time to write instructions for the compilation of Linux software packages and supporting BLFS user base.

  • Contributed hundreds of updates to project to keep book up-to-date with current LFS
  • Wrote scripts, patches, and commands - largely a variety of Bash, C, Sed, and Awk - to fix software bugs and issues with compilation; and sourced patches, information, and fixes from various locations across the Internet
  • Interacted with other editors daily with frequent discussions about best practices and methods of development
  • Used ticket system daily to assign jobs for software compilation and bug tracking