Senior IT Systems Administrator Jobs in Baltimore, MD

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SAR/SCI Systems Administrator - Advanced 1

Johns Hopkins University AppliedPhysicsLaboratory

Laurel, Maryland, USA

Full-time

Description Do you love solving complex technical problems in customized IT environments? Are you passionate about providing advanced system administration support for unique, mission-critical projects? Do you like contributing to innovative projects that directly impact national security? If so, we're looking for someone like you to join our team at APL. We are seeking a talented Tier 3 Systems Administrator to expertly manage, secure, and maintain customized Windows and Linux environments

Sr. System Administrator

Leidos

Odenton, Maryland, USA

Full-time

The Defense group at Leidos has a career opening for a System Administration Site Lead on a DISA contract. This role is primarily on the customer site at Ft. Meade, MD. The site lead will manage a team of 4-5 personnel providing support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). PRIMARY RESPONSIBILITIES: Directly report to Tier II/ Program Management on all technical and personnel concernsPerform Leidos supervisory duties for a team of 5 personne

Systems Administrator - Intermediate

Johns Hopkins University AppliedPhysicsLaboratory

Laurel, Maryland, USA

Full-time

Description Are you ready to advance your IT career by taking on a wide-ranging role that spans from frontline technical support to more intricate system administration tasks? We are looking for a skilled Intermediate Systems Administrator who will ensure the reliability, security, and performance of our broad IT environments-including stand-alone systems, networked infrastructures, and AWS cloud solutions in specialized SAR and SCI facilities. This position is vital to maintaining operationa

IT Systems Analyst I

Akima, LLC

Aberdeen, Maryland, USA

Full-time

SAVA is seeking to hire an IT Analyst I to support the U.S. Army at the Army Test and Evaluation Command (ATEC), based at Aberdeen Proving Ground, MD. The ideal applicant should demonstrate exceptional customer service skills, solid expertise in the relevant IT field, a strong commitment to the mission, and a dedicated work ethic. Responsibilities Responsibilities: Resolve customer inquiries and issues related to IT services, applications, and equipment. Provide technical assistance to customer

System Administrator, Senior

SilverEdge

Maryland, USA

Full-time

Overview SilverEdge is seeking a Senior System Administrator to serve for a closed restricted network and support other DoD guest systems at various classification level. Tasks include performing installation, troubleshooting and other administrative tasks associated with ongoing maintenance and enhancement of information systems and services. Performs systems planning, management, analysis, integration, installation and training tasks that include all aspects of preparing and implementing a hi

Sr. Systems Engineer 1 (Automation)

Exelon

Baltimore, Maryland, USA

Full-time

Who We Are: We're powering a cleaner, brighter future. Exelon is leading the energy transformation, and we're calling all problem solvers, innovators, community builders and change makers. Work with us to deliver solutions that make our diverse cities and communities stronger, healthier and more resilient. We're powered by purpose-driven people like you who believe in being inclusive and creative, and value safety, innovation, integrity and community service. We are a Fortune 200 company, 19,0

Systems Administrator 3

Realm One

Annapolis, Maryland, USA

Full-time

Are you ready to KANGAROO into action at RealmOne! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as w

Senior Red Hat Linux Administrator Consultant- Hybrid Annapolis, MD

Stellar IT Solution

Annapolis, Maryland, USA

Third Party, Contract

5/5/2025 @4:30PM EST Position: Senior Red Hat Linux Administrator Consultant - PORFP K23-0094-25L-7 Location: 189 Harry S Truman Parkway, Annapolis, MD 21401 Onsite/ Remote: Hybrid Duration: Long-Term Submission Limit: 1 Can submit 1 candidate Must provide copy of degree & other evidence (i.e. transcript) Must provide copy of resources' Red Hat Certified Systems Administrator certification Signed Attachment O Resource Acknowledgement 2 days remote, 3 days on-site (Hybrid) Summary The AOC

Systems Administrator I, IT Infrastructure

tax.com

Remote or Braga, Braga, Portugal

Full-time

Why Ryan? Competitive Compensation and BenefitsHome Office StipendBusiness Connectivity Reimbursement (Phone/Internet)Gym Membership or Equipment ReimbursementLinkedIn Learning SubscriptionFlexible Work EnvironmentTuition Reimbursement After One Year of ServiceAccelerated Career PathAward-Winning Culture & Community Outreach The Systems Administrator I maintains and manages server computing and storage platforms, including, but not limited to, installation, configuration, preventive maintenanc

Linux / UNIX Systems Administrator (PeopleSoft / Oracle)

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

Linux / UNIX Systems Administrator (PeopleSoft / Oracle) LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and motivated Linux / UNIX Systems Administrator (PeopleSoft / Oracle) to join our team and support the administration and optimization of our critical systems. In this role, you will manage and maintain Linux/UNIX environments, ensuring the stability, security, and performance o

Linux / Unix Systems Administrator

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

Linux / Unix Systems Administrator LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dedicated and detail-oriented Linux / Unix Systems Administrator to join our team and ensure the stability, security, and efficiency of our systems infrastructure. In this role, you will be responsible for managing, monitoring, and maintaining Linux and Unix servers, troubleshooting system issues, and impleme

Network Engineer / Systems Administrator (SA)

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

Network Engineer / Systems Administrator (SA) LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and proactive **Network Engineer / Systems Administrator (SA)** to join our team and play a pivotal role in maintaining and enhancing our IT infrastructure. In this role, you will be responsible for designing, implementing, and managing network systems, as well as ensuring the reliab

Systems Administrator (Multiple levels)

BlueHalo

Annapolis, Maryland, USA

Full-time

Joining the BlueHalo, an AV Company, 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, an AV Company, 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 opportuniti

Systems Administrator 2

Nightwing

Remote or Annapolis, Maryland, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Systems Administrator 3

Nightwing

Remote or Annapolis, Maryland, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

DevOps Systems Administrator

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

DevOps Systems Administrator LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly motivated and skilled **DevOps Systems Administrator** to join our team and play a crucial role in streamlining our development and operations processes. In this role, you will manage and maintain our infrastructure, ensuring smooth and efficient deployment pipelines, automating workflows, and enhancing syst

System Administrator, Senior

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 the premier national security and critical infrastructure solutions provi

Senior Linux System Administrator

Booz Allen Hamilton

Columbia, Maryland, USA

Full-time

Job Number: R0219640 Linux System Administrator, Senior The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of Defense? We're looking for a Cross Domain Platform System Administrator to help us design, deploy, and maintain Cross Domain Solutions for an enterprise environment that supports critical cybersecurity mission customers. As a Linux system administrato

G2 Directory Services Engineer / 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: Directory Services, System Administration, Technical Support Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Transform technology into an opportunity as a Directory Services Engineer / Senior Systems Administrator

Sr. Systems Engineer - Baltimore, MD- Hybrid - Duration: Long Term

Technogen, Inc.

Baltimore, Maryland, USA

Contract, Third Party

TECHNOGEN, Inc. is a Proven Leader in providing full IT Services, Software Development and Solutions for 15 years. TECHNOGEN is a Small & Woman Owned Minority Business with GSA Advantage Certification. We have offices in VA; MD & Offshore development centers in India. We have successfully executed 100+ projects for clients ranging from small business and non-profits to Fortune 50 companies and federal, state and local agencies. Hello, I am Kishore Mandaloju from TechnoGen Inc., we are collabo