Senior Windows Administrator jobs in Baltimore, MD

Senior Windows Administrator (Duty Location is Radford, VA)

Remote or Radford, Virginia

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Today

Overview Empower AI is AI for government. Empower AI gives federal agency leaders the tools to elevate the potential of their workforce with a direct path for meaningful transformation. Headquartered in Reston, Va., Empower AI leverages three decades of experience solving complex challenges in Health, Defense, and Civilian missions. Our proven Empower AI Platform provides a practical, sustainable path for clients to achieve transformation that is true to who they are, what they do, how they wo

Full-time

USD 87,320.00 per year

ME00696-Senior Windows System Administrator

Annapolis, Maryland

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Today

Momentum Engineering, Inc. fosters an employee-centric culture. Our strength lies in our people. With a high percentage of employees holding advanced degrees in engineering, computer science, and related disciplines, we bring deep technical expertise to every mission. Our team includes professionals with security clearances and full-scope polygraphs, ensuring trusted, secure support for the most sensitive national security initiatives. Additionally, our workforce is equipped with industry-leadin

Full-time

USD 155,000.00 - 215,000.00 per year

Senior Windows System Administrator

Annapolis, Maryland

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Today

Belay Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2026! Belay Technologies is seeking a Senior Windows System Administrator to join a high-performing Agile team operating within the Scaled Agile Framework (SAFe) in support of a complex, fast-paced program. In this role, the selected candidate will provide daily systems administration and operations and maintenance support across multiple systems with a broad geographic footprint. Key responsibilities includ

Full-time

USD 164,000.00 - 200,000.00 per year

Sr. Windows Systems Administrator TS/SCI Poly

Annapolis, Maryland

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Today

Senior Windows System Administrator; requires TS/SCI Polygraph up front. Lucky you! This comes with a $15k SIGN ON BONUS. Leidos has a new and exciting opportunity for a Senior Windows System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we of

Full-time

USD 116,350.00 - 210,325.00 per year

Windows System Administrator, Sr.

Annapolis, Maryland

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Today

Unisity, LLC is a Service-Disabled Veteran Owned Small Business providing expert services in the Information Technology fields. We pride ourselves on delivering what is promised, as some would say we "just do". We are highly-qualified, self-driven professionals who work towards a common goal as a team, leading when appropriate and following when needed. Job Summary: A Senior Windows System Administrator to join a high-performing Agile team operating within the Scaled Agile Framework (SAFe) in s

Full-time

MD-Systems Administrator(Windows) - TS/SCI w/ Polygraph

Annapolis, Maryland

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Today

Location: Annapolis Junction, MD Category: Systems Administrator Travel Required: No Remote Type: No Clearance: TS/SCI w/ Polygraph A Senior Windows System Administrator to join a high-performing Agile team operating within the Scaled Agile Framework ?SAFe? in support of a complex, fast-paced program. In this role, the selected candidate will provide daily systems administration and operations and maintenance support across multiple systems with a broad geographic footprint. Key responsibilities

Full-time

USD 92,300.00 - 166,850.00 per year

Lead Windows System Administrator

Remote

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12d ago

Lead Windows System AdministratorAs a Lead Windows System Administrator, you will play a critical role in maintaining and enhancing our organization's IT infrastructure. You will be responsible for overseeing the installation, configuration, maintenance, and upgrading of Windows infrastructure services, Active Directory, and cloud services. Your expertise will ensure the availability, security, and optimal performance of our IT systems, enabling our staff to carry out their duties effectively. R

Easy Apply

Contract, Third Party

70 - 80

ME00697-Mid/Senior System Administrator

Annapolis, Maryland

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Today

Momentum Engineering, Inc., a Woman-Owned Small Business (WOSB), fosters an employee-centric culture. Our strength lies in our people. With a high percentage of employees holding advanced degrees in engineering, computer science, and related disciplines, we bring deep technical expertise to every mission. Our team includes professionals with security clearances and full-scope polygraphs, ensuring trusted, secure support for the most sensitive national security initiatives. Additionally, our work

Full-time

USD 150,000.00 - 205,000.00 per year

Senior Systems Administrator (GA-2/3)

Annapolis, Maryland

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Today

Legato, LLC recruiters () would love to speak with you regarding the following position: Senior Systems Administrator in Annapolis Junction, MD. Security Clearance Required: TS/SCI w/ Polygraph Salary Range: $190,000-$240,000, depending on experience. What You Will Do: The Senior Systems Administrator will support the administration, maintenance, security, and optimization of complex enterprise systems and network infrastructure. This role focuses on maintaining reliable and secure computing en

Full-time

USD 190,000.00 - 240,000.00 per year

Mid/Senior System Administrator

Annapolis, Maryland

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Today

Belay Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2026! Belay Technologies seeks a Mid-Level or Senior Level System Administrator (SA) to join our intel team. The selected individual will provide system administration support for a large, complex network environment with geographically distributed systems. The role supports system engineering requests by delivering solutions that meet operational needs, and by upgrading, sustaining, and maintaining existin

Full-time

USD 114,000.00 - 160,000.00 per year

Senior System Administrator

Laurel, Maryland

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Today

About Leidos Leidos is a FORTUNE 500 company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and health industries. We deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. Guided by our Mission, Vision, and Values, Leidos empowers its teams, contributes to its communities, and operates sustainably-always with a commitment to doing the right thing for our

Full-time

USD 92,300.00 - 166,850.00 per year

Mid/Senior System Administrator

Annapolis, Maryland

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Today

Mid/Sr System Administrator This role comes with a 15k sign on bonus. Leidos has a new and exciting opportunity for a Mid/Sr System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Ho

Full-time

USD 92,300.00 - 166,850.00 per year

Windows Software Engineer, Senior

Remote

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Today

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible. Job Description: Parsons is looking for an amazingly talented Senior Windows Software E

Full-time

USD 112,200.00 - 196,400.00 per year

Senior PeopleSoft Administrator ( This is An Incumbent Role)

Remote

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Today

Role: Senior PeopleSoft Administrator ( This is An Incumbent Role) Location: Remote Duration: Long Term Job Description: The Senior PeopleSoft Administrator will provide senior-level technical leadership and hands-on support for the PeopleSoft modernization program. This position will support the migration of the PeopleSoft application ecosystem to Oracle Cloud Infrastructure (OCI), along with PeopleTools and PeopleSoft application upgrades to the latest supported releases and PUM images. The c

Full-time

Senior PeopleSoft Administrator

Remote

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4d ago

Job Description We areseeking a highly experienced Senior PeopleSoft Administrator to provide technical leadership and hands-on administration for its PeopleSoft modernization program. The primary focus is migrating enterprise PeopleSoft applications to Oracle Cloud Infrastructure (OCI) and upgrading PeopleSoft applications and PeopleTools to the latest supported releases. The consultant will work with application development, database, cloud, middleware, network, security, and infrastructur

Easy Apply

Third Party, Contract

$74 - $76

Senior PeopleSoft Administrator

Remote

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5d ago

Job Title:Senior PeopleSoft Administrator(6143-1)Duration:12 monthsLocation:New YorkNotes:This is a Remote role.Job DescriptionThe Senior PeopleSoft Administrator will provide senior-level technical leadership and hands-on support for the PeopleSoft modernization program. This position will support the migration of the PeopleSoft application ecosystem to Oracle Cloud Infrastructure (OCI), along with PeopleTools and PeopleSoft application upgrades to the latest supported releases and PUM images.T

Easy Apply

Contract

80 - 85

Windows Administrator (Annapolis Junction, MD)

Maryland

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Today

Maximus is seeking a Senior Windows Administrator to join our team. As a Senior Windows Administrator, you will be responsible for overseeing the design, implementation, and maintenance of windows-based servers and systems. Your role will involve managing server infrastructure, troubleshooting issues, and ensuring the reliability and security of the Windows environment. This is an onsite position in Annapolis Junction, MD, requiring five days per week onsite and an active Secret Security clearan

Full-time

Depends on Experience

IT System Administration - Senior/Specialist

Remote or Olympia, Washington

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Today

Salary: $8,522.00 - $11,460.00 Monthly Location : Thurston County - Olympia, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 2026-07038 Department: Dept of Children, Youth, and Families Division: Information Technology Opening Date: 11/05/2026 Closing Date: 11/19/2026 11:59 PM Pacific Description Our vision is to ensure that "Washington state's children and youth grow up safe and health-thriving physically, emotionally and academically, nurtured by family and co

Full-time

USD 8,522.00 - 11,460.00 per month

Mid-Senior Level System Admin

Annapolis, Maryland

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Today

Belay Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a System Admin to join our intel team. The selected individual will provide system administration support for a large, complex network environment with geographically distributed systems. The role supports system engineering requests by delivering solutions that meet operational needs, and by upgrading, sustaining, and maintaining

Full-time

USD 114,000.00 - 190,000.00 per year

Senior System Administrator

Fort Meade, Maryland

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Today

Assured Information Security (AIS) has an opening for a Senior System Administrator. In this role, you will deliver a wide range of system administration support based on experience level, including implementing and managing Red Hat Enterprise Linux and derivative IT environments, as well as installing, configuring, and maintaining Linux-based operating systems and services. *This is an onsite position located at Ft. Meade and requires a TS/SCI w/FS Poly.* What You'll Do: Support for implement

Full-time

USD 150,000.00 - 175,000.00 per year

Senior Windows Administrator jobs in Baltimore, MD, USA