Principal System Administrator Security Clearance
Listed on 2026-05-31
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IT/Tech
IT Support, Systems Engineer
Principal System Administrator
Candidate must have an active TS/SCI with Poly.
Key TasksProvide Linux System Administration support for the program and meet System Administrator III LCAT requirements. Responsibilities include installation, operation, and troubleshooting of data communications equipment, 3270 devices, circuits, network hardware and software, and maintenance of point‑to‑point analog, digital, LANs, rail‑line circuits, and TCP/IP-based systems. Manage performance and tuning to enhance system fault management and assist the user community with data and telecommunications problems using remote system management tools.
Tools/Skills- Mainframe Hardware: IBM 4381, IBM Controllers, Telex Terminals, Hewlett Packard Terminals, HP 3000/Spectrum, Stat Muxes, Datapoint Tape Drives, IBM 3274/3174, NAS 8000, 3299 Stat Mux
- Mainframe Software:
Jes 3, TSO, IBM's Information Management Systems/Infoman, DOS Power, VTAM, IBM Netview, SAS PC Server - PC Server Hardware: IBM Risc 6000 Servers, Compaq 486, Laptops/PCMCIA Modems, HP Vectra, Sun Ultra 25, 1500, 150 Workstations, Spark stations 10,20, HP Gecko, NexTStep Cube Servers, Compaq Proliant, Prolinea Servers, DEC Alpha 8400 Servers, HP 9000 Series 800 Servers, etc.
- PC Server Software Operating Systems:
Microsoft Office, Outlook Mail, Novell Groupwise Mail, Microsoft Excel, Microsoft Access, Quattro Pro, Lexis Nexus, Dynacom, Procom Plus, Omni Image, Omni Web Browser, Red Hat Enterprise Linux (RHEL 5.4, Fedora), Sun Solaris 9.0, 10, HP Glance Performance Tools, HPUX Network Node Manager, Oracle 7 RDBMS, Windows Server 2003, etc. - Protocols: ASYNC, BYSYNC, X.25, LDAP, TCP/IP, FTP, SMTP
- Interfaces: RJ11, RJ45, RS232, RS444
IAT level II baseline certification as defined by DoD 8570.01-M is required.
Required Education / CertificationsFifteen (15) years of System Administration support experience and a Bachelor's Degree in a related technical discipline are required. Degree substitutions may be considered as specified in Appendix
B.
Proposed salary range in Maryland: $160,000 to $205,000. Final salary will be determined based on various factors.
Benefits include healthcare, retirement plan, paid disability and life insurance, employee assistance program, paid and unpaid leave, education assistance, and wellness initiatives.
Equal Opportunity StatementEqual Opportunity Employer including Disability/Vets.
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