Linux System Administrator

Linux System Administrator

This position is 100% Onsite

  • Location: Northern VA area –Roslyn, Arlington, Alexandria.
  • Mark Center, 4800 Mark Center Drive, Alexandria, VA 22311.

RMantras is seeking an experienced Linux System Administrator  to support the DISA Program

Primary Responsibilities

  • Able to work in a rapid paced environment and must be able to work independently.
  • Works independently to maintain the smooth operation of a multi-user computer systems, including coordination with network administrators.
  • Install system wide software and allocate mass storage space, administer and service accounts, and perform tuning for system performance
  • Interact with users and evaluate vendor products.
  • Make recommendations to purchase hardware and software, coordinates installation and provide back-up recovery.
  • Develop and monitor policies and standards for allocation related to the use of computing resources.
  • Create, maintain, and implement detailed documentation and maintains standard operating procedures.
  • Provide coaching and reviewing the work of lower level technical staff.
  • Provide support on a M-F business hours schedule, also responsible for on-call, extended hour, and weekend support as required by mission or emergency situations.

Basic Qualifications

  • Bachelor’s degree and 4+ years of overall related experience with Unix, Redhat Linux required. Additional related years of experience is accepted in lieu of a degree.
  • Currently possess an active TS/SCI security clearance.
  • Candidate may be asked to obtain CI Poly in future.
  • Currently possess DoD 8750 certification at least IAT level II, e.g. Security+ce.
  • Ability to work in a 24/7 operation.
  • Ability to work a rotating shift schedule, available shifts include: 0600-1400 (6:00 a.m. – 2:00 p.m.), 1400-2200 (2:00 p.m. – 10:00 p.m.), 2200-0600 (10:00 p.m. – 6:00 a.m.)
  • Shell scripting (e.g. bash) and experience in other languages like Perl.
  • Application of security settings and other commercial best practices such as DISA STIGS.​

Preferred Qualifications

  • Prior experienced with DISA and DISA’s support to mission partners
  • TS/SCI w/CI Poly Preferred
  • Integration of Network Management (NM) and Element Management (EM) systems with network performance, trouble ticketing, and security subsystems highly desired.
  • Experience with support systems to include enclave Ethernet switches, storage area networks (SAN), and network attached storage (NAS).
  • Candidates with a thorough knowledge of networking principles to included TCP/IP a plus.
  • Experience with a ticketing system such as BMC Remedy.
  • ITIL v3 Foundation certified
  • Windows Server experience.
  • Experience working with virtual environments.

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