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Added 26 mins ago
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BAE Systems

IT Operations Systems Admin Sr 9/80B - Onsite

Manchester, NH, United States

Full-Time Salary Range: $97008 - $164914

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Job details

Pay: Full-Time Salary Range: $97008 - $164914
Working hours: 20 hours per week
Posting language: English
Posted: Aug 4, 2026

Original job description

Job Description

We put our customers first exemplified by our missions: We Protect Those Who Protect Us and We Innovate for Those Who Move the World. Sound like a team you want to be a part of? Come build your career with BAE Systems.

BAE Systems is seeking a Senior Closed Area Systems Administrator to provide comprehensive technical and operational support for classified IT systems. This position requires a seasoned IT professional with expertise in managing complex, air-gapped systems and lab environments in accordance with DoD and Intelligence Community security requirements. You will be responsible for the configuration, maintenance, and monitoring of secure networks and systems, including Lab-in-a-Box (LIB) environments, virtualization platforms, endpoint protection, and logging/alerting tools. This position is 100% onsite within a closed, classified area. Some after-hours or weekend support may be required for maintenance windows or incident response. You must be able to lift equipment (up to 40lbs) and work within controlled environments.

Key responsibilities include:

Proficiency in Active Directory, including user/group management, OU structure, and GPOs.
Configure, deploy, and maintain Lab-in-a-Box (LIB) environments used in closed area testing and mission scenarios.
Develop and execute system shutdown and secure wipe procedures, in accordance with DoD and agency guidelines.
Lead and coordinate data spill containment, response, and remediation actions in classified environments.
Operate and manage Nessus vulnerability scanning, assessment reporting, and risk remediation tracking.
Maintain and support VMware-based virtual infrastructure, including host management and resource allocation.
Operate and manage Veeam backup and recovery solutions for secure system images and restoration planning.
Administer Trellix ePO (McAfee) for endpoint protection policy management, signature updates, and alert resolution.
Perform domain controller maintenance, including replication, DNS/DHCP services, and health monitoring.
Design, implement, and troubleshoot Group Policy Objects (GPOs) in Active Directory.
Support Splunk operations, including forwarder management, dashboard/report creation, and log analysis for auditing and threat detection.
Ensure all systems are compliant with applicable STIGs, RMF controls, and cyber hygiene policies.
Maintain system documentation, configuration change records, and contribute to audit readiness.

Collaborate with ISSOs/ISSMs, facility security, and other stakeholders to ensure secure and compliant operations.

Required Education, Experience, & Skills

US Citizenship.
Active U.S. Secret Security Clearance and CompTIA Security or equivalent DoD 8570 IAT Level II certification.
5-7 years of experience (4 years of experience with a degree) as a system administrator.
Direct experience configuring and managing Lab-in-a-Box (LIB) environments.
Familiarity with data spill response protocols and secure system sanitization.
Hands-on experience with Nessus, VMware vSphere, Veeam, and Trellix ePO.
Strong Active Directory experience, including domain controller and GPO management.
Working knowledge of Splunk in secure environments (including alerting and data retention strategies).
Understanding of DoD and IC security standards, including RMF, NISPOM, and STIG compliance.

Preferred Education, Experience, & Skills

Active U.S. TS/SCI Security Clearance.
4 years of experience working in a classified environment
Experience with system accreditation (e.g., SSP development, POA&M tracking).
Familiarity with classified lab setups, test bed environments, or R&D support.
Exposure to cross-domain solutions, enclave management, or SAP/SAR environments.
Scripting experience (PowerShell, Python) to automate common sysadmin tasks.
Experience supporting audit and inspection activities.

Pay Information

Full-Time Salary Range: $97008 - $164914

Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.

Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20 hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.

IT Operations Systems Admin Sr 9/80B - Onsite

127422BR

EEO Career Site Equal Opportunity Employer. Minorities . females . veterans . individuals with disabilities . sexual orientation . gender identity . gender expression

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More about this job

Skills

Security regulations
Symantec Endpoint Protection
Incident response
Microsoft Active Directory
Nessus
Reporting
VMware
McAfee
DNS
DHCP
Troubleshoot
Splunk
Auditing
Documentation
Sanitation
Regulatory compliance
SSP
SAP
Microsoft PowerShell
Python
Inspection

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