Sr Systems Administrator with Security Clearance
7 days ago
At Three Cords Talent, we believe strong organizations are built by strong people. Inspired by the principle that a cord of three strands is not easily broken, our firm provides purpose-driven recruiting and talent solutions that connect exceptional professionals with mission-critical opportunities. By partnering with us, candidates gain a trusted career advocate, and clients gain a dedicated partner who aligns talent with strategy to drive growth and success. Job Summary Our client is seeking an experienced Senior Systems Administrator to join a high-performing team that delivers advanced IT services supporting national security missions. In this role, you will provide implementation, troubleshooting, and maintenance of IT systems - ensuring the stability, security, and efficiency of critical infrastructures. You will also manage IT system environments and processes, working across both Unix and Windows platforms to enhance performance and reliability. Key Responsibilities Analyze and resolve complex problems associated with server hardware, applications, and software integration. Configure and manage Unix and Windows operating systems. Install, load, and troubleshoot operating systems and software. Maintain integrity and configuration of network components. Implement operating system enhancements to improve system reliability, performance, and security. Required Qualifications U.S. Citizenship required. Active TS/SCI with Full Scope Polygraph (FSP). 15 years of experience in System Administration in programs and contracts of similar scope, type, and complexity. Bachelor's degree in a technical discipline (Four additional years of experience may be substituted for a degree). IAT Level II Certification (e.g., Security, CCNA Security, GSEC). Excellent written and verbal communication skills. Highly reliable, professional, self-motivated, and enthusiastic team player.
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Senior Systems Security Administrator
2 weeks ago
Laurel, MD, United States The Johns Hopkins University Applied Physics Laboratory Full timeDescriptionAre you interested in creating new IT security capabilities and learning new cybersecurity technologies? Do you want to have a stake in the overall security posture and assessment of the IT infrastructure? If so, we're looking for someone like you to apply and join our team at APL! We are seeking a Senior Systems Security Administrator (SSA) to...
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Senior Systems Security Administrator
2 weeks ago
Laurel, MD, United States The Johns Hopkins University Applied Physics Laboratory Full timeDescriptionAre you interested in creating new IT security capabilities and learning new cybersecurity technologies? Do you want to have a stake in the overall security posture and assessment of the IT infrastructure? If so, we're looking for someone like you to apply and join our team at APL! We are seeking a Senior Systems Security Administrator (SSA) to...
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Senior Systems Security Administrator
5 days ago
Laurel, MD, United States The Johns Hopkins University Applied Physics Laboratory Full timeDescriptionAre you interested in creating new IT security capabilities and learning new cybersecurity technologies? Do you want to have a stake in the overall security posture and assessment of the IT infrastructure? If so, we're looking for someone like you to apply and join our team at APL! We are seeking a Senior Systems Security Administrator (SSA) to...
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Senior Systems Security Administrator
7 days ago
Laurel, MD, United States The Johns Hopkins University Applied Physics Laboratory Full timeDescriptionAre you interested in creating new IT security capabilities and learning new cybersecurity technologies? Do you want to have a stake in the overall security posture and assessment of the IT infrastructure? If so, we're looking for someone like you to apply and join our team at APL! We are seeking a Senior Systems Security Administrator (SSA) to...
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Senior System Administrator
2 weeks ago
Laurel, MD, United States Cleared Staffing Solutions Full timeJob Description What We're Looking For As an experienced System Administrator, you will support system validation efforts on mission-driven programs. This position is 100% onsite in Maryland and requires an active TS/SCI+FSP Security Clearance. Requirements Qualifications What You'll Need U.S. Citizenship Active TS/SCI+FSP Clearance Ten (10) years...
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Senior System Administrator
1 week ago
Laurel, MD, United States Cleared Staffing Solutions Full timeJob Description What We're Looking For As an experienced System Administrator, you will support system validation efforts on mission-driven programs. This position is 100% onsite in Maryland and requires an active TS/SCI+FSP Security Clearance. Requirements Qualifications What You'll Need U.S. Citizenship Active TS/SCI+FSP Clearance Ten (10) years...
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Senior System Administrator
5 days ago
Laurel, MD, United States Cleared Staffing Solutions Full timeJob Description What We're Looking For As an experienced System Administrator, you will support system validation efforts on mission-driven programs. This position is 100% onsite in Maryland and requires an active TS/SCI+FSP Security Clearance. Requirements Qualifications What You'll Need U.S. Citizenship Active TS/SCI+FSP Clearance Ten (10) years...
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Senior Infrastructure and Systems Administrator
2 weeks ago
Laurel, MD, United States Peraton Full timeSenior Infrastructure and Systems AdministratorJob Locations US-MD-College Park | US-MD-LaurelRequisition ID 2025-154831Position Category Information TechnologyClearance Top Secret/SCI w/PolyResponsibilitiesThis position is an integral member of the Peraton Labs Network Systems and Cyber Mission Sector team supporting a customer site in College Park and...
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Laurel, MD, United States Peraton Full timeSenior Infrastructure and Systems AdministratorJob Locations US-MD-College Park | US-MD-LaurelRequisition ID 2025-154831Position Category Information TechnologyClearance Top Secret/SCI w/PolyResponsibilitiesThis position is an integral member of the Peraton Labs Network Systems and Cyber Mission Sector team supporting a customer site in College Park and...
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Laurel, MD, United States Peraton Full timeSenior Infrastructure and Systems AdministratorJob Locations US-MD-College Park | US-MD-LaurelRequisition ID 2025-154831Position Category Information TechnologyClearance Top Secret/SCI w/PolyResponsibilitiesThis position is an integral member of the Peraton Labs Network Systems and Cyber Mission Sector team supporting a customer site in College Park and...
