HP088 System Administrator

The Solar Data Analysis Center (SDAC) at NASA’s Goddard Space Flight Center (GSFC) in Greenbelt, MD is seeking a System Administrator to support computer systems for the STEREO Science Center (SSC), Virtual Solar Observatory (VSO), and the SOHO Experimenter’s Operations/Analysis Facility (EOF/EAF). We are seeking a candidate with excellent verbal and written communication skills, the ability to work independently and within a team, and the drive to solve problems and master new techniques. The candidate must be able to come onsite to GSFC to physically work on hardware systems such as servers and tape libraries.


  • Perform minor and major upgrades of operating system software on Linux and Mac OS servers and desktop computers.
  • Interact with GSFC network personnel to resolve problems related to DNS, routing, firewalls, and planned outages.
  • Patch, upgrade, and configure software and operating systems to comply with GSFC IT security policies.
  • Port software between different platforms and operating systems.
  • Install application software and computer hardware.
  • Diagnose and resolve computer and networking issues for local and remote users.
  • Execute and manage system backups.
  • Automate routine administration processes to improve efficiency.
  • Manage tape library backup systems.
  • Monitor data transfers jobs to the National Center for Climate Simulation.
  • Transfer science data to AWS cloud using AWS Snowball devices.


  • MacOS, Redhat/Centos, and Debian systems administration.
  • Understanding of DNS, firewalls, and TCP/IP network administration.
  • Maintaining network backups of multiple systems.
  • Maintaining a network log host for multiple systems.
  • RAID configuration and troubleshooting.
  • Basic computer hardware maintenance (e.g. drives and fan replacement).
  • Basic manipulation of public/private keys.
  • Understanding tape library systems and tape maintenance.
  • AWS cloud experience and experience with AWS Snowball devices.
  • At least two years employment as a systems administrator.
  • Evidence of continuing education/certification in IT topics.


  • Apache2 + ModSecurity + SSL.
  • PIV / Smart Card Authentication. 
  • System monitoring and management tools (e.g. Puppet, Nagios, Graylog, Splunk)
  • Postfix + Dovecot +SSL.
  • Perl, Python, and shell scripting languages.
  • C and Interactive Data Language (IDL) programming languages.
  • NetApp, NEXSAN, and Spectralogic systems administration.


  • Bachelor’s or Associates degree in Computer Science, or equivalent work experience.

US Citizenship and local residency in the Washington DC metropolitan area are required for this position.

Team ADNET brings over 30 years of experience to information systems and professional services for the federal government. With a history of expertise in software development, computer network design, IT security, mission operations support, and educational outreach, Team ADNET is deeply embedded in the Space and Earth Science at NASA’s Goddard Space Flight Center (GSFC) in Greenbelt, MD.

ADNET Systems, Inc. is working with Goddard Space Flight Center to fulfill NASA’s vision for space exploration, and working with the Science and Exploration Directorate to fulfill its many missions

ADNET Systems, Inc. is an employee-centric company, committed to providing premier benefits that support our employees and their families. With affordable medical and dental plans coupled with leading disability and life insurance options, ADNET offers our employees the benefits most sought after by today’s professional candidate. Furthermore, our benefits package features the extras that distinguish us from other small businesses, ensuring our high employee retention that our customers appreciate

Some features of our compensation plans and environment perks include:

  • Annual Leave/Sick Leave
  • Military and Family Emergency Leave
  • Paid Holidays
  • Performance Bonuses
  • Medical, Dental and Vision Plans
  • Direct Deposit Payroll
  • 401K Plan with Company Matching and Immediate Vesting
  • Tuition Reimbursement
  • Swag bags