Principal Windows Systems Administrator Jobs in Boston, MA

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Systems Administrator

Robert Half

Boston, Massachusetts, USA

Full-time

Description Are you an experienced Systems Administrator with a strong background in infrastructure and systems management, eager to contribute to the success of a dynamic professional services firm? This hybrid role, based out of downtown Boston, offers the opportunity to grow your skills in a collaborative environment while working onsite 3 days per week. If you're skilled in Windows Server environments, Active Directory, VMware, and backup solutions, we'd like to hear from you! Key Responsib

Senior Windows Systems Engineer / MSP Experience

Motion Recruitment Partners, LLC

Waltham, Massachusetts, USA

Full-time

A very established Managed Service Provider (MSP) located in Waltham is currently hiring for a Senior System Administrator "jack of all trades" with prior MSP experience to join their team. They will need the person to be in the office 1-2 days per week, and willing to commute to client sites around Boston as needed. Ideally this person will be very strong in virtualization technologies, have some network experience, but overall be a very strong communicator. Required Skills & Experience 5+ yea

Systems Administrator

Robert Half

Boston, Massachusetts, USA

Full-time

Description We are looking for a skilled Systems Administrator to join our team in Boston, Massachusetts. This is a Contract-to-permanent position, offering an excellent opportunity to work on high-impact projects and maintain critical IT infrastructure. The role requires expertise in on-premises systems, including Microsoft Exchange, Active Directory, and virtualization technologies. Responsibilities: Manage and maintain on-premises Microsoft Exchange servers, ensuring optimal performance and

Senior Systems Administrator (Linux/Windows)

GovCIO

Remote

Full-time

Overview GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is in Washington, DC and will be a hybrid remote with periodic onsite customer work activities. Must be willing to work nights, have an active Sec

Advanced Systems Administration Specialist & DevOps Administrator

General Dynamics

Dedham, Massachusetts, USA

Full-time

Basic Qualifications Bachelor's degree in Computer Science, a related field or equivalent experience is required plus a minimum of 5 years of relevant experience; or Master's degree plus 3 years of relevant experience. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of w

IT Systems Administrator

Postman, Inc.

Boston, Massachusetts, USA

Full-time

Who Are We? Postman is the world's leading API platform, used by more than 40 million developers and 500,000 organizations, including 98% of the Fortune 500. Postman is helping developers and professionals across the globe build the API-first world by simplifying each step of the API lifecycle and streamlining collaboration-enabling users to create better APIs, faster. The company is headquartered in San Francisco and has an office in Bangalore, where it was founded. Postman is privately held,

Systems Administrator (Windows / Linux) / Hybrid: Highlands Ranch, CO

Lockheed Martin Corporation

Remote or Highlands Ranch, Colorado, USA

Full-time

Job Description Lockheed Martin's Enterprise Business & Digital Transformation (EBDT) organization employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries.

Senior Classified Systems Administrator

Draper

Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas

Systems Administrator

SAIC

Andover, Massachusetts, USA

Full-time

Job ID: 2507140 Location: ANDOVER, MA, US Date Posted: 2025-06-30 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC currently has a career opportunity for a Cyber Systems Administrator (SA) in our Andover, Massachusetts facility to support the US Space Force (USSF). Job Duties: Manage and maintain cur

Systems Administrator - Linux/Windows

GovCIO

Remote

Full-time

Overview Provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is hybrid with periodic customer site work activities. Must be willing to work nights, have a Security+ certification, and an active Top Secret clearance. Responsibilities Position Description: In this role you will: Pr

Systems Administrator - Linux/Windows

GovCIO

Remote

Full-time

Overview Provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is hybrid with periodic customer site work activities. Must be willing to work nights, have a Security+ certification, and an active Top Secret clearance. Responsibilities Position Description: In this role you will: Pr

Principal Linux System Administrator

Raytheon

Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-06-26 Country: United States of America Location: MA133: Tewksbury, Ma Bldg 3 Concord 50 Apple Hill Drive Concord - Building 3, Tewksbury, MA, 01876 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Principal Linux Systems Administrator- 100% onsite, Tewksbury, MA. Will sponsor a clearance for t

Senior Principal Systems Engineer Cyber Engineer (SPY6 Family of Radars) (On-site Marlborough, MA) - P5

RTX Corporation

Marlborough, Massachusetts, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: MA801: Marlborough, MA 1001 Boston Post Road Building 2, Marlborough, MA, 01752 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation a

ACAS Cyber Systems Administrator - Hanscom AFB

Apex Systems

Bedford, Massachusetts, USA

Full-time

Job#: 2065926 Job Description: Good Morning Team, Peraton is looking to add (11) ACAS Cyber Systems Administrators to their team in multiple locations supporting the SIPRnet contract. (6) positions will be the Mid BR listed below and (5) will be the Sr. BR listed below. This position is contingent upon award which will be before March 1, 2025. The HM wants to review candidates and is willing to extend offers contingent on award. ACAS Cyber System Administrator BH #: A, B, C or D req: D Why?

Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: CO

Lockheed Martin Corporation

Remote or Littleton, Colorado, USA

Full-time

Job Description Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports the Lockheed Marti

Systems Administrator

Zachary Piper Solutions, LLC

Remote

Full-time

Piper Companies is seeking a Systems Administrator for an established healthcare organization. This is a 6-month contract and is REMOTE (based in US, must work EST). Responsibilities of the Systems Administrator: Support the remediation of Windows Server 2012 environments, including upgrade planning and execution to Azure. Maintain and administer enterprise-level Windows and Linux systems in a hybrid on-prem/cloud environment. Collaborate with vendors to manage third-party applications and navi

Systems Administrator

Zachary Piper Solutions, LLC

Remote

Full-time

Piper Companies is seeking a Systems Administrator for an established healthcare organization. This is a 6-month contract and is REMOTE (based in US, must work EST). Responsibilities Support the remediation of Windows Server 2012 environments, including upgrade planning and execution to Azure. Maintain and administer enterprise-level Windows and Linux systems in a hybrid on-prem/cloud environment. Collaborate with vendors to manage third-party applications and navigate upgrade or decommission sc

G2 SharePoint Systems Administrator | Active Top Secret clearance

General Dynamics

Remote

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Microsoft SharePoint Administration, SharePoint Management, System Administration Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a SharePoint / Systems Administrator with

G2 Senior Systems Administrator | Active Top Secret clearance

General Dynamics

Remote

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Microsoft Windows Server, System Administration, Virtual Environments Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Senior Systems Administrator with GDIT. A career in

Systems Administrator II

Sierra Nevada Corporation

Remote or Southern Pines, North Carolina, USA

Full-time

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Systems Administrator II, you will be using your skills and expertise to assist in the analysis, development, and configuration of our existing software and systems that address business requirements and processes. You'll be responsible for evaluating the interface between hardware and software, operational requirements, and characteristics of our systems, establishing and documenting system para