Mid/Sr System Administrator (TS/SCI Clearance with Full Scope Polygraph Required)

J T; Annapolis (MD); Presencial; USD 100.000 - 200.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Health Insurance

401(k) Retirement Plan with Company<br

Tuition Reimbursement

Descripción de la vacante

J T is seeking a Mid/Sr System Administrator to support a large, distributed network environment in Annapolis Junction, MD. You will deliver full-lifecycle systems administration across air-gapped enclaves, deploying and patching servers and desktops while driving security compliance.

You will manage AD, patching, vulnerability mitigation, and virtualization, with strong documentation and cross-team communication. Travel and lifting up to 50 lbs are needed.

Formación

• High-level systems administration experience required in large, distributed environments.
• Experience securing air-gapped enclaves and managing domain services.
• Proficient with Windows and Linux server environments and AD.
• Knowledge of vulnerability management and security patching processes.
• Experience with virtualization and enterprise monitoring/tools is essential.

Responsabilidades

• Install, configure, and maintain Windows and Linux servers and desktops across air-gapped enclaves.
• Administer Active Directory, group policies, cert renewals, and access controls.
• Perform vulnerability management and security patching using automated tools.
• Manage VM provisioning, virtualization, and hardware reimaging/troubleshooting.
• Document server/network architectures for rapid incident response and knowledge sharing.
• Communicate system status and outages with technical teams and leadership.
• Support occasional short-duration travel and physical equipment handling up to 50 lbs.

Conocimientos

System administration

Security compliance

Vulnerability management

Patch management

Air-gapped networks

Educación

Bachelor's degree in Systems Engineering, Computer Science, Information Systems, Engineering Management, or a related technical discipline

Herramientas

SaltStack

Ansible

Splunk

Puppet

SolarWinds

Nessus

VMware

Descripción del empleo

Clearance Requirement: Active TS/SCI with Polygraph

Salary Range: $100,000 - $200,000 / year (dependent on experience, education, and skill set)

About the Role

Seeking an energetic and experienced Mid/Sr System Administrator to support a large, complex, and geographically distributed network environment in Annapolis Junction, MD.

In this role, you will deliver full-lifecycle systems administration, operations, and maintenance across multiple air-gapped enclaves, each featuring dedicated domains, storage architectures, and network infrastructure. You will be responsible for deploying, patching, and optimizing server and desktop environments, driving security compliance, and troubleshooting complex hardware and software issues to ensure maximum operational uptime.

Key Responsibilities

• Install, configure, optimize, and maintain Windows and Linux server/desktop configurations across complex, air-gapped enclaves.
• Administer, sustain, and troubleshoot web-based information sharing and storage application environments.
• Manage Active Directory, domain services, group policies, certificate renewals, and access controls.
• Execute system scanning, vulnerability management, security patching, and vulnerability mitigation using automated tools.
• Perform client and server virtualization management, virtual machine provisioning, and hardware reimaging/troubleshooting.
• Maintain comprehensive documentation of server and network architectures to facilitate rapid incident response and knowledge sharing.
• Communicate system status, scheduled maintenance, and outage resolutions with end users, technical teams, and program leadership.
• Support occasional short-duration local/day travel and handle physical equipment handling (up to 50 lbs).

Required Qualifications & Experience

Security Clearance: Active TS/SCI with Polygraph.

Education & Experience:

Bachelor's degree in Systems Engineering, Computer Science, Information Systems, Engineering Management, or a related technical discipline plus at least 8 years of relevant systems administration experience, OR

Equivalent combination of additional years of hands-on technical experience substituting for the degree.

Operating Systems & Directory Services: Proficiency with Windows Server 2019, Active Directory, and foundational knowledge of Red Hat Enterprise Linux (RHEL).

Virtualization: Hands-on experience administering client and server virtualization platforms (e.g., VMware).

Enterprise Tools: Demonstrated familiarity with enterprise monitoring, automation, and security tools (e.g., SaltStack, Ansible, Splunk, Puppet, SolarWinds, Nessus).

Hardware & Operations: Proven ability to install, configure, troubleshoot, reimage, back up, and restore enterprise server and desktop hardware.

Physical & Travel Requirements: Ability to lift up to 50 lbs and support occasional day or short-duration travel.

Desired Qualifications

• Proficiency with Microsoft SQL Server administration.
• Automation and scripting experience using Python, SaltStack, PowerShell, and PowerCLI.
• Background supporting software configuration management and development staging environments.
• Experience working within Agile frameworks and delivery teams.
• Working knowledge of PKI architectures utilizing Hardware Security Modules (HSMs) and NTP synchronization.
• Experience generating documentation and technical evidence for system security authorization and accreditation packages.

Benefits & Compensation

• Comprehensive Health, Dental, and Vision Insurance
• Basic Life and Disability Insurance
• Paid Time Off (PTO) and Paid Holidays
• 401(k) Retirement Plan with Company Match
• Tuition Reimbursement for ongoing education and professional development

An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected under federal, state, or local law.