Senior Systems Administrator — TS/SCI with Polygraph

2HB Incorporated; Annapolis (MD); On-site; USD 120,000 - 170,000; Full time

Job summary

2HB Incorporated is seeking a Senior Systems Administrator to support its government customer in Annapolis Junction, MD. The role requires a TS/SCI clearance with Full Scope Polygraph and full-time commitment.

Core tasks include testing operability, documenting SOPs, maintaining baseline security, managing accounts, and planning data redundancy. Requires extensive Windows, Linux, VMware, networking, and RMF/DoD IAT II credentials.

Qualifications

• Bachelor’s degree in a technical discipline, or 20 years of related SysAdmin experience.
• Fifteen years of Systems Administrator experience required.
• Experience with Windows Server Administration, Active Directory and Group Policy.
• Familiarity with Linux Server Administration.
• VMware/ESXi and VMware vCenter administration.
• Networking Switching and Router Management; VM networking.
• Storage management with NetApp.
• Hardware and OS troubleshooting; System hardening.
• Security compliance checks with Nessus/ACAS.
• Understanding of RMF security design and controls.
• Active TS/SCI clearance with current FS polygraph (MPO).
• Active DoD IAT Level II certification (e.g., CCNA-Security, CySA+, GICSP, GSEC, Security+ CE).
• Ability to communicate clearly and work with customers.

Responsibilities

• Conduct functional and connectivity testing to ensure operability.
• Develop and document systems administration SOPs.
• Maintain baseline system security per policies.
• Manage accounts, rights, and access to systems and equipment.
• Plan, execute, and verify data redundancy and recovery procedures.
• Install, update, and troubleshoot systems and servers.
• Comply with systems administration SOPs.
• Enforce local network usage policies.
• Monitor and maintain system/server configurations.
• Perform repairs on faulty hardware.
• Troubleshoot hardware/software interface and interoperability problems.

Skills

TS/SCI clearance

Full Scope Poly

Windows Server Administration

Active Directory

Group Policy

Linux Server Administration

VMware/ESXi

VMware vCenter

Networking Switching & Router Mgmt

VMware Virtual Networking

Storage Management (NetApp)

Hardware & OS Troubleshooting

System hardening

Security Compliance Scanning (Nessus/Ç

RMF understanding

DoD IAT Level II certification

Attention to detail & communication

Education

Bachelor's degree in a technical discipline

High school diploma + 20 years experience in System Administration

Tools

Windows Server Administration

Active Directory

Group Policy

Linux Server Administration

VMware/ESXi

VMware vCenter

Nessus

ACAS

NetApp Storage

Job description

2HB Incorporated is seeking a Senior Systems Administrator to support its government customer in Annapolis Junction, MD. The role requires a TS/SCI clearance with Full Scope Polygraph and full-time commitment.

Core tasks include testing operability, documenting SOPs, maintaining baseline security, managing accounts, and planning data redundancy. Requires extensive Windows, Linux, VMware, networking, and RMF/DoD IAT II credentials.