Linux System Administrator (SA)
The Johns Hopkins Applied Physics Laboratory - Laurel, MD

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Provide Linux system administration, and systems engineering for multiple highly classified facilities. Configure, install, and maintain mostly Linux computer systems in a stand-alone and networked environment. Participate in developing highly complex solutions for LAN and WAN environments. Independently identify and solve issues relating to IA (ensuring system availability, integrity, authentication and confidentiality). Configure, install, and maintain mostly Linux computer systems in a stand-alone and networked environment. Research complex software and hardware before installation. Perform and analyze weekly security audits for nonstandard events. Implement backup solution and ensure a cohesive disaster recovery plan. Lock down Linux/Windows computers in a mixed environment based upon classified security requirements. Manage user accounts for Linux/Windows, reset passwords, and perform annual computer recertification’s.

Note: This job summary and listing of duties is for the purpose of describing the position and its essential functions at time of hire and may change over time.



Required Qualifications:
Bachelor's degree in Computer Science, Information Technology, related field or equivalent experience. Minimum 5 years Linux systems administration experience. A minimum of 2 years information technology experience working in a classified computer facility in information, intelligence, or security areas. Knowledge of computer operating systems, hardware, and software as demonstrated by 2 years practical experience and the ability to install and configure operating systems; perform account and file maintenance; configure, stop, and start services; and troubleshoot common user service issues. Some experience with programming / scripting languages as demonstrated by the ability to create a script in Java, Bourne, Bash, Csh, or Perl without having to consult a reference document. Excellent organizational and communication skills and the ability to work in a team environment and interface with all levels of staff effectively. Demonstrated ability to recognize the need for action and to respond appropriately without prompting.

Desired Qualifications:
Linux certification. Some Windows computer experience (2 years). Experience with VMware or other virtualization software (1 year practical experience). Working familiarity with National Industrial Security Program Operating Manual (NISPOM).

Special Working Conditions:
Will be working in a closed environment; extended hours periodically required; valid state driver's license required; minimal (1-2 weeks per year) local and out of area travel may be required.

TS/SCI Clearance w/ CI Poly is required. Applicant's selected will be subject to a Government security investigation and must meet the eligibility requirements for an SSBI and access to Sensitive Compartmented Information. Must also be eligible for a Polygraph examination. Preference for current SSBI. Eligibility requirements include US citizenship.

APL offers a comprehensive benefits package including a liberal vacation plan, a matching retirement program, significant educational assistance, a scholarship tuition program for staff with dependents, and competitive salaries commensurate with skills and experience. For more information about our organization, please visit our web site at