Systems Administrator - LEVEL 02 - FULLY CLEARED with POLYGRAPH with Security Clearance
$100k - $200kConstellation Technologies, Inc
Linux, Windows, UNIX, RHEL, Kali, Solaris, Ubuntu, CentOS, Debian, Fedora, Mandriva. Due to federal contract requirements, U.S. citizenship and an active TS/SCI security clearance with polygraph are required. Requirements Must be a U.S. citizen. Must have TS/SCI clearance with active polygraph. This position is open to multiple experience levels: two (02) years of relevant experience within the last five (05) years must be directly related to the job you are applying for. Level 04 requires a minimum fifteen (15) years of direct/relevant experience. Level 03 requires a minimum twelve (12) years of direct/relevant experience. Level 02 requires a minimum nine (09) years of direct/relevant experience. Level 01 requires a minimum six (06) years of direct/relevant experience. Bachelor’s degree in a technical discipline from an accredited college or university is required. Five (05) years of additional Systems Administration experience on projects with similar processes may be substituted for a bachelor's degree. Responsibilities Provide support for implementation, troubleshooting and maintenance of IT systems. Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems. Manage the daily activities of configuration and operation of IT systems. Provide assistance to users in accessing and using IT systems. Provide Tier I (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Provide support to IT systems including day‑to‑day operations, monitoring and problem resolution for all client/server/storage/network devices, mobile devices, etc. Provide support for the escalation and communication of status to agency management and internal customers. Optimize system operations and resource utilization, and perform system capacity analysis and planning. Provide in‑depth experience in troubleshooting IT systems. Provide detailed analysis and feedback to agency management and internal customers for escalated tickets. Provide support for the dispatch system and hardware problems and remain involved in the resolution process. Configure and manage UNIX and Windows (or other applicable) operating systems and install/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance. Compensation and Benefits $100,000 – $200,000 per year (pay range is a guideline only; final compensation considered by responsibilities, education, experience, skills, and internal equity). Affordable healthcare options with 80% employer‑paid premium plus company‑funded HSA. Comprehensive dental and vision insurance (80% employer‑paid premium). Employer‑paid life insurance 100%, short‑term and long‑term disability 100%. Annual training, continued education and professional memberships reimbursement. Unlimited access to Red Hat Enterprise Linux, AWS and NetApp training and accreditation. Annual reimbursement for technology (phones, computers, printers, etc.). 401(k) with company match up to 5% with 100% immediate vesting after 90 days of employment. Professional development investment and paid time off for training. Contract and work locations in Maryland, Virginia, Colorado, Texas, Utah, California, Florida and Hawaii. Team‑building events, leadership team engagement and mentorship, performance recognition program. Complimentary branded apparel. Uniformed benefits package and perks per employment policies. Constellation Technologies is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, religion, creed, color, national origin, ancestry, sex (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, medical condition, marital or domestic partner status, sexual orientation, gender identity, gender expression and transgender status, mental disability or physical disability, genetic information, military or veteran status, citizenship, low‑income status or any other status or characteristic protected by applicable law. Job applicants can submit questions about CTI’s equal employment opportunity policy to [email protected]. #J-18808-Ljbffr Constellation Technologies, Inc
$115k - $170k
...top contractors with exciting IC/DoD opportunities... ...We are seeking System Administrators at both Level 1 and Level 2... ...system problems. Clearance Requirements TS/SCI with FS Polygraph is required. We... ...; under-cleared applicants will not... ...availability. Posted on 02/26/2026 #J-18808...SuggestedFor contractors- ...information in this system (including... ...has been cleared through the... .../ Systems Administrator is responsible... ..., and security of Radix Metasystems... ...with technical teams... ...SCI security clearance issued by a... ...Counterintelligence polygraph adjudicated... ...enterprise-level IT end-user...Security ClearanceCasual workWork at officeLocal areaRemote workFlexible hours
- ...our nation’s safety and security. Make an impact by using... ...career. Join GDIT as a Systems Administrator Senior Technician and build... ...IT, collaborating with people who are driven and... ...violations. ● Security clearance level: TS/SCI with Polygraph ● US citizenship required...Security Clearance
$64.23k - $80.5k
...Requisition: Regular Clearance Level Must Currently... ...Top Secret SCI + Polygraph Clearance... ...Technology (IT) Systems, Microsoft... ...GDIT as a Systems Administrator Senior Technician... ...IT, collaborating with people who are driven... ...employment: CompTIA Security+ CE is the minimum...Security ClearanceFull timeTemporary workPart timeImmediate startRemote workWorldwideFlexible hours- ...motivated, customer-oriented Systems Administrator Level 2 to join our team in... ...network components, along with implementing operating systems... ...for a bachelor's degree. Security Clearance Requirement Current/Active TS/SCI with Full Scope Polygraph. Riverstone Enterprise...Security Clearance
$155k - $175k
...supported critical national security programs by building... ...of a small company with the impact of a big... ...customer‑oriented Systems Administrator Level 2 to join our team... ...'s degree. Security Clearance Requirement: Current... ...SCI with Full Scope Polygraph The projected...Security ClearanceHourly payContract workWork experience placement$7.5k
...Implementation support, IT systems maintenance and... ...network components along with implementing operating... ...and performance. The Level 3 System Administrator shall possess the following... ...requires active Security Clearance with appropriate Polygraph Pay Range: 184,000 - 2...Security ClearanceWork experience placementImmediate startFlexible hours$10k
...position‑appropriate security clearance is required (e.g.,... ...TS/SCI clearance with agency appropriate polygraph). Responsibilities... ...maintenance of IT systems. Manage IT system... ...of system administration interdependencies... ...contributions are fully vested from day one...Security ClearanceHourly payContract workTemporary workWork experience placementSummer work- ...motivated, customer-oriented Systems Administrator Level 2 to join our team in... ...network components, along with implementing operating systems... ...for a bachelor's degree. Security Clearance Requirement Current/Active TS/SCI with Full Scope Polygraph. Riverstone Enterprise...Security Clearance
$100k - $200k
.../ UNIX / Windows System Administrator that will provide... ...systems at a high level of availability,... ...:00 PM position (with after-hours call-... ..., develop, test, secure, integrate, implement... .... Requirements Clearance Type An active... ...scope TS/SCI with polygraph U.S. security clearance...Security ClearanceTemporary workWork experience placementLocal areaFlexible hours- ...located in Aurora, Colorado is seeking an experienced IT Systems Administrator to provide support for implementation, troubleshooting, and... ...of IT systems. This role requires an active TS/SCI security clearance and 15 years of experience. The successful candidate will...Security Clearance
$100k - $200k
...ANS is seeking a Linux / UNIX / Windows System Administrator to provide Tier 2 technical support for high priority... ...operational systems. The role requires an active security clearance and specific certifications, along with experience in system administration and...Security Clearance$7.5k
...Implementation support, IT systems maintenance and... ...network components along with implementing operating... ...and performance. The Level 3 System Administrator shall possess the following... ...requires active Security Clearance with appropriate Polygraph Pay Range: 184,000 - 2...Security ClearanceWork experience placementImmediate startFlexible hours$115k - $170k
...specialized recruiting firm is seeking System Administrators for Level 1 and Level 2 roles to support... ...candidates will have significant experience with UNIX and Windows operating systems,... ...benefits. TS/SCI with FS Polygraph clearance is mandatory for applicants. #J-188...- ...contractors with exciting IC/... ...401k match, fully-paid medical... ...proactive DevOps Systems Administrator to... ...and ensuring security compliance.... ...management. Clearance Requirements... ...SCI with FS Polygraph is required.... ...consideration; under-cleared applicants... .... Posted on 02/26/2026 #J-...For contractorsFlexible hours
- ...SUMMARY The Linux Administrator II supports... ...NISSC II-covered systems provide timely,... .... In concert with the prime NISSC... ...with government security standards. Builds... ...Basic: Clearance: Secret Certification: IAT Level II Certification... ...STATEMENT ZIVARO fully subscribes to the...Security ClearanceContract workFor contractorsWork experience placementLocal areaWorldwideFlexible hours
$107k - $127k
...Job Details Level: Experienced Job Location... ...The IT / Systems Administrator is responsible for... ..., operation, and security of Radix Metasystems... ...collaboratively with technical teams,... ...TS/SCI security clearance issued by a U.S.... ...Counterintelligence polygraph adjudicated by a...Security ClearanceTemporary workWork at officeLocal areaRemote workFlexible hours$100k - $120k
...Job Details Level: Experienced Job... ...information in this system (including PII,... ...has been cleared through the appropriate... ...network security measures. Participate... ...in accordance with existing... ...TS/SCI security clearance issued by a U.S... ...Counterintelligence polygraph Minimum of 5...Security ClearanceTemporary workWork experience placementFlexible hoursNight shift$147.29k - $199.28k
...networking gear. Familiarity with Linux command line to... ...procedures. Provide cleared escort as needed to personnel... ..., Information systems, Information Technology,... ...using Linux-based tools Security Clearance Level : TS/SCI with active polygraph Location : On Customer...Security ClearanceWork at officeRelocationRelocation packageShift work$85k - $266k
...citizenship and an active TS/SCI security clearance and polygraph are required for the position.... ...This position is open to multiple levels of years of experience; two (02) years within the last five (05... ...Have: React Experience with relational, noSQL, and file-...Security ClearanceContract workTemporary workImmediate start$94.2k - $141.2k
...assistance available Clearance Required for... ...systems that impact people... ...Industrial Security Analyst - Level 3 or Level 4... ...collaborate with colleagues across... ...customers Author clear,... ...and/or SAPF administration, PHYSEC, COMSEC... ...with a current Polygraph Experience with...Security ClearanceContract workFor contractorsInterim roleWork at officeRemote workRelocation$90k - $110k
...Systems Administrator Systems Administrator Aurora, CO Active... ...nation's toughest and most secure problems. If you are... ...environments Work with engineering and operations... ...for a security clearance Must have Linux experience... ...DODI 8570.01-M IAT Level II (or higher)...Security ClearanceFull time- ...DoW SkillBridge - Systems Administrator Jr. York Space Systems was... ...ensuring compliance with government requirements... ...testing and documenting security controls, and ensuring... ...DoW Secret Security Clearance Willing to work off hours Clear and concise verbal communication...Security ClearancePermanent employmentLocal areaWorldwide
$81.7k - $136.16k
...consecutive missions with 100% mission... ...with the systems and processes we... ...ULA the System Administrator 2 - Linux is an entry-level to early-career... ...infrastructure stable, secure, and... ...document work clearly * Strong communication... .... Security Clearance / International...Security ClearanceHourly payPermanent employmentWork experience placementInternshipRelocationFlexible hours$104k - $111k
...Overview We are seeking a Systems Administrator to join our Task... ...systems, coordinating with network engineers.... ...efficiency. Performs systems security administration... ...Active TS/SCI + CI Poly clearance HS, 8‑10 years of... ...environment: Varies Noise level: Low Work schedule:...Security ClearanceContract workTemporary workMonday to FridayWeekend workAfternoon shift$94.2k - $141.2k
...available CLEARANCE REQUIRED FOR... ...revolutionary systems that impact... ...contribute to a secure future for... ...Analyst - Level 3 or Level 4... ...relationships with internal and... ...Author clear, comprehensive... ...and/or SAPF administration, PHYSEC, COMSEC... ...a current Polygraph Experience...Security ClearanceContract workFor contractorsInterim roleWork at officeRemote workRelocationShift work$117k - $135k
...RESPONSIBILITIES TheSystems Administrator is expected to be... ...Performs systems security administration functions... ...space. Interacts with users and evaluates vendor... ...: Varies Noise level: Low Work schedule... ...AUTHORIZATION/SECURITY CLEARANCE U.S. Citizenship...Security ClearanceFull timeContract workTemporary workLocal areaMonday to FridayWeekend workAfternoon shift$158k - $190k
...are seeking a Senior Systems Administrator to join our Task Order... ...coordination with network engineers. TekSynap... ...efficiency. Performs systems security administration... ...TS/SCI + CI Poly clearance Active CompTIA Security+... ...: Varies Noise level: Low Work schedule:...Security ClearanceFull timeContract workTemporary workMonday to FridayWeekend workAfternoon shift$50k - $60k
...Entry level Security Administrative Specialist shall... ...records and filing systems, archives files... ...offices Schedule polygraph testing Answer... ..., and receiving clearances, confirming Sensitive... ...year Assist with badge issues,... ...questions in a clear and concise manner...Security ClearancePermanent employmentFull timeWork at office$142.2k - $213.4k
...assistance available CLEARANCE REQUIRED FOR... ...revolutionary systems that impact... ...team is chartered with providing the... ...Systems Engineer Level 4 - Engineering... ...(SCI) security clearance at the... ...for a Full Scope Polygraph (FSP) if requested... ...dispersed teams Fully Adjudicated FSP...Security ClearanceFull timeInternshipWorldwideRelocationShift work
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