Senior Windows Administrator Jobs in Baltimore, MD

1 - 20 of 362 Jobs

Sr. Windows Administrator / ArchitectJob Title - Sr. Windows Administrator / Architect

IO DatasphereCompany Name - IO Datasphere

•

Remote

Contract, Third Party

IO Datasphere, Inc. has been providing project management, software development and IT staff augmentation services to our clients in the Midwest and throughout the U.S. since 1996. We are an approved vendor on contract to provide software development and IT staff augmentation services for the States of Illinois, Michigan, Minnesota, Iowa, and Wisconsin. We also provide these services to businesses, as well as local and county governments, in the Midwest and nationwide. Our client is looking for

Senior Windows Administrator, Financial or Trading Experience Required - Work From Home - RJob Title - Senior Windows Administrator, Financial or Trading Experience Required - Work From Home - R

Next Step SystemsCompany Name - Next Step Systems

•

Remote

Full-time

Senior Windows Administrator, Financial or Trading Experience Required - Work From Home We are currently looking for a Senior Windows Administrator for a great work from home opportunity. We are seeking a talented and self-motivated Senior Windows Administrator to join a growing IT team. Experience with Windows, Active Directory and PowerShell is required. This position is 100% Remote. Senior Windows Administrator Responsibilities: - The Senior Windows Administrator will be added to an existi

Senior Windows Architect / Administrator, Financial or Trading Experience Required - Work From Home - RJob Title - Senior Windows Architect / Administrator, Financial or Trading Experience Required - Work From Home - R

Next Step SystemsCompany Name - Next Step Systems

•

Remote

Full-time

Senior Windows Architect / Administrator, Financial or Trading Experience Required - Work From Home We are currently looking for a Senior Windows Architect / Administrator for a great work from home opportunity. We are seeking a talented and self-motivated Senior Windows Administrator to join a growing IT team. Experience with Windows, Active Directory and PowerShell is required. This position is 100% Remote. Senior Windows Architect / Administrator Responsibilities: - The Senior Windows Arch

Senior Windows Engineer / Administrator, Financial or Trading Experience Required - Work From Home - RJob Title - Senior Windows Engineer / Administrator, Financial or Trading Experience Required - Work From Home - R

Next Step SystemsCompany Name - Next Step Systems

•

Remote

Full-time

Senior Windows Engineer / Administrator, Financial or Trading Experience Required - Work From Home We are currently looking for a Senior Windows Engineer / Administrator for a great work from home opportunity. We are seeking a talented and self-motivated Senior Windows Administrator to join a growing IT team. Experience with Windows, Active Directory and PowerShell is required. This position is 100% Remote. Senior Windows Engineer / Administrator Responsibilities: - The Senior Windows Enginee

Windows Systems/ Network Administrator (SSA)Job Title - Windows Systems/ Network Administrator (SSA)

IT Concepts dba KentroCompany Name - IT Concepts dba Kentro

•

Woodlawn, Maryland, USA

Full-time

Description Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities. Our transition to Kentro in 2025 reflects a rich legacy built upon the foundation of IT Concepts. Rather than leaving ITC behind, we confidently embrace a future centered around the Core of More

Windows Systems AdministratorJob Title - Windows Systems Administrator

Johns Hopkins University AppliedPhysicsLaboratoryCompany Name - Johns Hopkins University AppliedPhysicsLaboratory

•

Laurel, Maryland, USA

Full-time

Description Are you a Windows Systems Administrator who wants to join a collaborative team providing world-class IT services? If so, we're looking for someone like you to join our team! We are seeking a creative IT professional to help us support our expanding information systems that are instrumental to significant Department of Defense projects. We take great pride in providing end to end support and technical innovation to projects that help protect the nation. You will actively assist wit

Windows System Administrator (SA2) (Government)Job Title - Windows System Administrator (SA2) (Government)

AT&T Inc.Company Name - AT&T Inc.

•

Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. RIS I is the delivery of regional IT services to the end user. We offer support of end user devices including desktop, w

Windows System Administrator (SA1) (Government)Job Title - Windows System Administrator (SA1) (Government)

AT&T Inc.Company Name - AT&T Inc.

•

Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. Intelink Services provide interagency information sharing, content discovery, and collaboration capabilities on the IC s

Linux/Windows System Administrator (TS/SCI w/ Poly)Job Title - Linux/Windows System Administrator (TS/SCI w/ Poly)

Parsons Services CompanyCompany Name - Parsons Services Company

•

Annapolis, Maryland, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for a talented fully cleared (TS/SCI) System Administrator to joi

Windows Systems Administrator Staff- Clearance RequiredJob Title - Windows Systems Administrator Staff- Clearance Required

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

•

Fort Meade, Maryland, USA

Full-time

Job Description This position may be eligible for a sign on bonus up to $25K for external hires! This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a payment! code-extrefer Windows Systems Administrator Staff What We're Doing: Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of adv

System Administrator, SeniorJob Title - System Administrator, Senior

Parsons Services CompanyCompany Name - Parsons Services Company

•

Linthicum Heights, Maryland, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is the premier national security and critical infrastructure solutions provi

Cyber Systems Administrator, Senior AdvisorJob Title - Cyber Systems Administrator, Senior Advisor

PeratonCompany Name - Peraton

•

Maryland, USA

Full-time

Responsibilities Peraton's Cyber Mission in Annapolis Junction, MD supplies the Intel community with mission essential Next Generation SIGINT Analysts and Cyber professionals that support and defend our nation's security. Be a part of a team of SIGINT, Intelligence and Cyber professionals that are supplying our nation with leading Next Generation cybersecurity solutions. Peraton delivers unique intelligence, analytics, and data management solutions to address the world's most difficult challeng

Systems Administrator, Senior AdvisorJob Title - Systems Administrator, Senior Advisor

PeratonCompany Name - Peraton

•

Fort Meade, Maryland, USA

Full-time

Responsibilities Peraton is seeking a System Administrator to join our team in the Fort Meade, MD / Annapolis Junction, MD area. Our dynamic team delivers information security solutions that facilitate secure data flows and the detection/prevention of unauthorized behaviors, performs system security vulnerability assessments and solution development, provide enterprise-level network, server, desktop, and application security services. Qualifications Basic Qualifications Bachelor's Degree in a

Senior Linux System Administrator - 10k Sign on BonusJob Title - Senior Linux System Administrator - 10k Sign on Bonus

LeidosCompany Name - Leidos

•

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National Security Sector's (NSS) 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 Holidays, 401K with a 6% company match and immed

Senior Linux Systems Administrator 10k Sign on BonusJob Title - Senior Linux Systems Administrator 10k Sign on Bonus

LeidosCompany Name - Leidos

•

Columbia, Maryland, USA

Full-time

Senior Linux System Administrator - 10k Sign on BonusJob Title - Senior Linux System Administrator - 10k Sign on Bonus

LeidosCompany Name - Leidos

•

Columbia, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National Security Sector's (NSS) 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 Holidays, 401K with a 6% company ma

Senior Linux Systems Administrator 10k Sign on BonusJob Title - Senior Linux Systems Administrator 10k Sign on Bonus

LeidosCompany Name - Leidos

•

Columbia, Maryland, USA

Full-time

Senior Network AdministratorJob Title - Senior Network Administrator

PeratonCompany Name - Peraton

•

Linthicum Heights, Maryland, USA

Full-time

Responsibilities Design, implement, and maintain a robust and scalable network infrastructure encompassing LAN/WAN technologies, routing protocols, firewalls, load balancers, and network security tools.Proactively monitor network performance, uptime, and capacity, identifying and resolving performance bottlenecks and ensuring optimal network health.Lead troubleshooting efforts for complex network issues, conducting root cause analysis and implementing permanent solutions.Develop and maintain co

Senior Systems AdministratorJob Title - Senior Systems Administrator

BlueHaloCompany Name - BlueHalo

•

Annapolis, Maryland, USA

Full-time

Joining the BlueHalo team means immersing yourself in a dynamic environment, working alongside the brightest minds in technology through some of the toughest challenges facing our nation today. We are spearheading the future of global defense, with every BlueHalo employee playing a key role in our success. That's why our investment in you goes beyond competitive pay and a rewarding benefits package. We're committed to providing our people with the best opportunities to develop their skills, shar

Senior Network Administrator - TS/SCI with PolygraphJob Title - Senior Network Administrator - TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

•

Elkridge, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Network Administration Job Qualifications: Skills: Firewall Administration, Local Area Network (LAN), Network Administration Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Overview Transform technology into opportunity a Network Administrat