Sr. Systems Administrator

Full Time
Hanover, MD
Posted 1 year ago

Delivering Tomorrow's Challenges to Today's Solutions

Our ideal Systems Administrator candidates are looking to be a part of something great and to be involved with work that really matters! Our team of System Administrators possess TS/SCI w/ Polygraph Clearances. They have experience ensuring the configuration and installation of tools to enhance team productivity.


  • Lead effort to set-up, configure, and load system software and hardware.
  • Provide system administration support of computers, servers, racks of equipment.
  • Configure/manage LAN interfaces.
  • Provide support for web development, testing, system integration, installation scripts and other duties to support systems and network infrastructure.

Candidate must be willing and able to:

  • Will to work mixed 12-hour shifts, in a 10 WEEK ROTATIONAL SCHEDULE; 24×7 watch
  • Be on-call 24×7
  • Work flexible hours, staying until the job is completed (mission is restored)

Minimum Experience Requirement:

  • Ten years of experience with installation, maintenance, administration, and trouble-shooting of LAN at Tier II level in UNIX/Linux environment, computer hardware and software
  • Experience performing and assisting with equipment specification, setup, problem resolution, and network support related to computer hardware and software; Experience providing assistance to users
  • Experience optimizing system operations; Experience ensuring compliance with licensing agreements and system currency

Basic Qualifications:

  • Bachelors of Science in one of the following field: Communications Engineering, Computer Engineering, Computer Science, Electrical Engineering, Information Systems or Mathematics
  • Senior Linux SysAdmin with strong experience scripting (at least with bsh), and working with Puppet, LDAP, Vmware, and/or other virtual machine environments (like Redhat KVM), as well as IBM BladeCenters.
  • Need to have at least a functional working knowledge of Cisco networks as successful candidate will have to correct network issues on the fly when the Network Engineer is not available. Need to have solid hands-on hardware troubleshooting experience.
  • Mission critical (Agency Code Red required).
  • Interface with agency and non-agency sites via emails/phone to walk them through hands-on trouble-shooting.



SITEC has built an outstanding relationship with our customers and employees by providing superior service and giving full attention to our customer’s and employees’ needs. We offer:

  • Competitive salaries
  • Paid Time Off
  • Education & Training
  • 100% Company Paid Medical, Dental/Vision for the entire family
  • Retirement Savings Plan
  • And much, much more


Job Features

Clearance Level RequiredTS/SCI w/ Poly
Years of Experience Requried10
Job #TJ_1211

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