Top 10 Unix System Administrator Jobs in Billerica, MA

Principal Systems Administrator
BAE Systems Inc. —Hudson, NH
- $118,095 - $200,762 a year
- Full-time
- 7 years
- System design
- High school diploma or GED
- Health savings account
- Paid holidays
Senior Systems Administrator/ Patch Manager
Koniag Government Services —Bedford, MA
- Full-time
- Senior level
- Commercial
- Paid holidays
- Health insurance
Network/ Systems Administrator
Harvard Soft —Tyngsboro, MA
- $55,000 - $85,000 a year
- Full-time
- Computer science
- Computer Science
- Mid-level
Systems Administrator
Aquila Technology —Lexington, MA
- Mid-level
- 3 years
- Bachelor's degree
- Paid holidays
- 401(k)
Quick Apply
Senior Hardware/Virtualization Administrator
BAE Systems Inc. —Hudson, NH
- $97,008 - $164,914 a year
- Full-time
- Azure
- 6 years
- Windows
- Health savings account
- Paid holidays
Senior Windows Systems Administrator
Boston College —Chestnut Hill, MA
- $78,100 - $137,900 a year
- Full-time
- Azure
- DevOps
- HIPAA
- Paid holidays
- Health insurance
Group 9-94 | CO-OP | IT Support | Electronics for Contested Space | Fall 2026
MIT Lincoln Laboratory —Lexington, MA
- $25 - $32 an hour
- Computer Science
- Research
- Organizational skills
AI Systems Administrator
The Charles Stark Draper Laboratory, Inc. —Cambridge, MA
- $82,300 - $220,000 a year
- Full-time
- Computer science
- Azure
- Computer Science
Quick Apply
Lead Databricks Platform Engineer
Epsilon —Boston, MA
- $98,000 - $182,000 a year
- Email
- Hybrid work
- Computer science
- Azure
- Computer Science
- Commuter assistance
- Paid holidays

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Senior Systems Administrator/ Patch Manager
Koniag Government Services —Columbus, OH
Requires a vendor-specific certification such as Microsoft Certified: Windows Server Hybrid Administrator Associate.

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Principal Systems Administrator

BAE Systems Inc. -
Hudson, NH

Apply Now

Job Details

Full-time
$118,095 - $200,762 a year

Benefits

Health savings account
Paid holidays
Disability insurance
Dental insurance
401(k)
Paid time off
Paid military leave
Parental leave
Employee assistance program
Vision insurance
Pet insurance

Qualifications

Version control
Linux support
Configuration management
Server backup and recovery
Software installation
High school diploma or GED
WDS
Server virtualization
Data backup
IBM Rational ClearCase
Windows Server administration
CompTIA Security+
Shell Scripting
ESXi
Operating system installation
vCenter

Full Job Description

Job Description

You don’t see it, but it’s there. Our employees work on the world’s most advanced electronics – from saving emissions in the City of Lights to powering the Mars Rover to protecting the F- 35 fighter jet. At Electronic Systems, you’ll be among the brightest minds, working on the aerospace and defense industry’s most difficult problems. Drawing strength from our differences, we’re innovating for the future. And you can, too. Our flexible work environment provides you a chance to change the world without giving up your personal life. We put our customers first – exemplified by our missions: “We Protect Those Who Protect Us®” and “We Innovate For Those Who Move The WorldTM.” Sound like a team you want to be a part of? Come build your career with BAE Systems.

In this role, you will be joining a team supporting internal customers, designing, implementing and managing lab infrastructure to meet the customer requirements while making impacts in the following ways;

Build, configure, administer and troubleshoot Windows (and Linux) servers and user workstation hardware and software; design and implement workgroup-scale networks
Build and manage authentication, file-share, and other collaboration servers to support groups of heterogeneous client systems.
Partner with facilities security staff to develop and apply hardening steps for systems for classified use to NISPOM Chapter 8, JAFAN, and other customer standards.
Document system configuration for new and existing systems.
Perform VCSA (vCenter Server Appliance) patching and lifecycle operations.
Apply updates to VMware ESXi hosts, ensuring host profile compliance and uptime.
Access and navigate the ESXi Direct Console User Interface (DCUI) for low-level host management.
Perform Exchange operations in a classified environment including user mailbox creation, troubleshooting, and routine maintenance.
Manage and maintain NetApp storage systems, including volumes, snapshots, and secure protocols.
Operate in VMware vSphere environments, including provisioning, performance monitoring, and resource management.
Install, configure, and maintain WSUS (Windows Server Update Services) for enterprise Windows patching.
Maintain comprehensive documentation and contribute to RMF packages and audit readiness.
Collaborate with ISSOs, security staff, and other IT stakeholders to ensure secure, compliant, and high-performing system operations.

Required Education, Experience, & Skills

Security+ certification, and an active Secret Security Clearance
7 or more years of relevant System Administration experience and a minimum of a high school diploma
Experience with Virtual machine (VM) technologies (ESXi, VCenter, VSphere)
NetApp Management
PXE and WDS automated system installation technologies
Automated backup systems
Red Hat Enterprise Linux and CentOS
Unix shell scripting
Configuration management tools (Subversion, ClearCase)

Preferred Education, Experience, & Skills

CISSP certification
Ability to work both Server Admin and Field service ( PC ) work daily.

Pay Information
Full-Time Salary Range: $118095 - $200762

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.

About BAE Systems Electronic Systems
BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it’s what we do at BAE Systems. Working here means using your passion and ingenuity where it counts – defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team—making a big impact on a global scale. At BAE Systems, you’ll find a rewarding career that truly makes a difference. Electronic Systems (ES) is the global innovator behind BAE Systems’ game-changing defense and commercial electronics. Exploiting every electron, we push the limits of what is possible, giving our customers the edge and our employees opportunities to change the world. Our products and capabilities can be found everywhere – from the depths of the ocean to the far reaches of space. At our core are more than 14,000 highly talented Electronic Systems employees with the brightest minds in the industry, we make an impact – for our customers and the communities we serve.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.

Apply Now

Refine Your Search

Unix System Administrator jobs in Billerica, MA

Principal Systems Administrator

Senior Systems Administrator/ Patch Manager

Network/ Systems Administrator

Systems Administrator

Senior Hardware/Virtualization Administrator

Senior Windows Systems Administrator

Group 9-94 | CO-OP | IT Support | Electronics for Contested Space | Fall 2026

AI Systems Administrator

Lead Databricks Platform Engineer

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