Senior Systems Administrator - TS/SCI Poly, RMF & Cloud

2HB Incorporated; Maryland; On-site; USD 110,000 - 160,000; Full time

Job summary

2HB Incorporated, based in Maryland, is seeking a Senior Systems Administrator to support a government customer in Annapolis Junction. This full-time role requires an active TS/SCI clearance with a current FS polygraph.

You will manage Windows and Linux servers, VMware environments, storage, and security hardening while enforcing RMF controls. Responsibilities include testing, SOP development, and data recovery planning, plus ongoing system monitoring and troubleshooting.

Qualifications

• Active TS/SCI security clearance with current FS polygraph (MPO).
• Bachelor’s degree in a technical discipline and 15 years’ experience as a System Administrator, OR a High school diploma and 20 years’ experience as a System Administrator.
• Experience with Windows Server Administration, Active Directory, and Group Policy.
• Familiarity with Linux Server Administration.
• VMware/ESXi and VMware vCenter.
• Networking, Switching, and Router Management; VM networking; Storage (NetApp).
• Hardware and OS troubleshooting; System hardening; Security scans (Nessus, ACAS).
• Understanding RMF and security design in project contexts.
• Active DoD IAT Level II certification (examples listed).

Responsibilities

• Conduct functional and connectivity testing to ensure operability.
• Develop and document systems administration standard operating procedures.
• Maintain baseline system security according to policies.
• Manage accounts, network 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 system administration procedures and local network policies.
• Monitor and maintain system configurations; manage resources and capacity.
• Troubleshoot hardware/software interfaces and interoperability problems.

Skills

Oral and written communication

Attention to detail

Problem solving

Customer service

Education

Bachelor’s degree in a technical discipline

High school diploma

Tools

Windows Server Administration

Active Directory

Group Policy

Linux Server Administration

VMware/ESXi

VMware vCenter

Networking Switching and Router Management

VMWare Virtual Networking

Storage Management (NetApp)

Hardware and OS troubleshooting

System hardening

Security Compliance Scanning (Nessus, ACAS)

RMF

DoD IAT Level II certifications (e.g. CCNA-Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP)

Job description

2HB Incorporated, based in Maryland, is seeking a Senior Systems Administrator to support a government customer in Annapolis Junction. This full-time role requires an active TS/SCI clearance with a current FS polygraph.

You will manage Windows and Linux servers, VMware environments, storage, and security hardening while enforcing RMF controls. Responsibilities include testing, SOP development, and data recovery planning, plus ongoing system monitoring and troubleshooting.