windows/linux system administrator Jobs in baltimore, md

101 - 120 of 645 Jobs

Splunk Administrator- 100% RemoteJob Title - Splunk Administrator- 100% Remote

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Remote or Arlington, Virginia, USA

Full-time

Splunk Administrator This company is seeking an experienced Splunk Administrator to manage and optimize their Splunk infrastructure. In this role, you'll ensure the performance, availability, and reliability of our data analytics platform. You'll work closely with cross-functional teams to implement monitoring solutions that enhance operational visibility and strengthen security across their IT environment. The company is located in Reston, VA and will remain 100% remote. What You Will Be Doing:

Systems Administrator 2Job Title - Systems Administrator 2

Apex SystemsCompany Name - Apex Systems

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Linthicum Heights, Maryland, USA

Full-time

Job#: 2071515 Job Description: Apex Systems is immediately seeking a Systems Administrator II (Linux/Windows) to join our large government integrators client's Mission Systems sectors Classified Solutions team in Linthicum, MD. ** If you or someone you know is interested in learning more about this, please send an up-to-date resume to Kalya Ivey-Russell at ** Position: Linux/Windows Systems Administrator Location: Linthicum, MD Duration: 6m CTH Compensation: Hourly rate on Apex's W2 ranges f

Sr. Software Engineer-Automated Test Framework TS/SCI PolyJob Title - Sr. Software Engineer-Automated Test Framework TS/SCI Poly

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for an Automated Test Framework Software Engineer 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

Telephony AnalystJob Title - Telephony Analyst

MaximusCompany Name - Maximus

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Maryland, USA

Full-time

General information Job Posting Title Telephony Analyst Date Wednesday, July 16, 2025 City Annapolis Junction State MD Country United States Working time Full-time Description & Requirements Maximus is seeking a Telephony Analyst to manage and support internal-use telephony systems for our Homeland Security customer. This role will provide technical leadership for the design, configuration, maintenance, and troubleshooting of enterprise VoIP and telephony infrastructure, with responsibilities th

Telephony AnalystJob Title - Telephony Analyst

MaximusCompany Name - Maximus

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Maryland, USA

Full-time

Telephony AnalystJob Title - Telephony Analyst

Maximus, Inc.Company Name - Maximus, Inc.

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Maryland, USA

Full-time

Description & Requirements Maximus is seeking a Telephony Analyst to manage and support internal-use telephony systems for our Homeland Security customer. This role will provide technical leadership for the design, configuration, maintenance, and troubleshooting of enterprise VoIP and telephony infrastructure, with responsibilities that span operating systems, networking, security, and application support. This position is on-site five days a week and requires an active secret security clearanc

Senior DevOps EngineerJob Title - Senior DevOps Engineer

LeidosCompany Name - Leidos

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Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Senior DevOps Engineer 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 imme

Modernization Cyber Systems Administrator - SA1Job Title - Modernization Cyber Systems Administrator - SA1

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description Who You Are: Here, you are going to provide life-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection. You will modernize and sustain capabilities to include providing new features and enhancements to Front End Solutions systems. This will allow for products to work at-scale with processing of target communications across multiple types of Midpoint accesses. You will propel the customer into the next phase of product suite modernization by

Software Cyber Engineer - SWE 0Job Title - Software Cyber Engineer - SWE 0

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description This position may be eligible for a $25K sign on bonus for external hires! What We're Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. You'll develop innovative offensive cyber capabilities that help protect the nation and the world. Cyber Lockheed Martin Who we are: Are you driven by the thrill of outsmarting even the most advanced security systems and

DevOps Engineer IIJob Title - DevOps Engineer II

LeidosCompany Name - Leidos

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Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a DevOps Engineer 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 immediate vesting, Flexi

ServiceNow Systems AdministratorJob Title - ServiceNow Systems Administrator

SAICCompany Name - SAIC

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Maryland, USA

Full-time

Job ID: 2504643 Location: ANNAPOLIS JUNCTION, MD, US Date Posted: 2025-04-17 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description SAIC has an immediate opening for a ServiceNow Administrator in Annapolis Junction, on a very exciting program! In this role you will do many different things

Modernization Cyber Systems Administrator - SA2Job Title - Modernization Cyber Systems Administrator - SA2

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description The Work: We are seeking professionals interested in Systems Administration. Here, you are going to provide life-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection. You will modernize and sustain capabilities to include providing new features and enhancements to Front End Solutions systems. This will allow for products to work at-scale with processing of target communications across multiple types of Midpoint accesses. You will propel t

Senior ServiceNow Systems AdministratorJob Title - Senior ServiceNow Systems Administrator

SAICCompany Name - SAIC

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Maryland, USA

Full-time

Job ID: 2504648 Location: ANNAPOLIS JUNCTION, MD, US Date Posted: 2025-04-15 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description SAIC has an immediate opening for a ServiceNow Administrator in Annapolis Junction, on a very exciting program! In this role you will do many different things

Senior DevOps EngineerJob Title - Senior DevOps Engineer

LeidosCompany Name - Leidos

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Columbia, Maryland, USA

Full-time

Application Engineer 4Job Title - Application Engineer 4

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

We're searching for talented individuals who provide intelligence, engineering, and mission management expertise for the Government. This program will maximize the effectiveness and efficiency of our country's most important missions both at home and abroad. If you are ready to support a high-performing team that truly makes a difference, then come join us! Job Description: We are seeking a skilled and motivated Application Engineer with hands-on experience in Linux/Windows environments, data

CNO Cloud Exploiter TS/SCI FSPJob Title - CNO Cloud Exploiter TS/SCI FSP

Mission Box SolutionsCompany Name - Mission Box Solutions

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Laurel, Maryland, USA

Full-time

Our client is seeking a Principal CNO Cloud Exploiter to provide technical expertise supporting mission-critical software and systems for a large U.S. Government contract. This full-time role offers the opportunity to work on cutting-edge projects, providing mission-centric solutions in close collaboration with analysts, operators, data scientists, and other software engineers. Responsibilities: Analyze, design, develop, prototype, modify, and integrate solutions to achieve mission results.Work

Systems Administrator 1Job Title - Systems Administrator 1

JacobsCompany Name - Jacobs

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Annapolis, Maryland, USA

Full-time

Your Impact: Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Systems Administrator to join our team of passionate individuals in Annapolis Junction, MD. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. Responsibilities: Skilled Linux based System Administrator to support DevOps team. This role requires a self-mot

Network EngineerJob Title - Network Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Fort Meade, Maryland, USA

Full-time

Job Number: R0222144 Network Engineer The Opportunity: A well-designed and secure network is critical to move data and enable the Department of Defense (DoD) to achieve their mission, but how can an organization make sure their network will fit their evolving needs? Crafting the right network, with the right equipment and sof tware, requires a combination of te chn ical skill and careful planning. That's why we need you, a network engineer who knows how to craft the exact network the DoD needs.

Vulnerability Remediation and Patching Support TechnicianJob Title - Vulnerability Remediation and Patching Support Technician

SAICCompany Name - SAIC

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Aberdeen, Maryland, USA

Full-time

Job ID: 2507413 Location: ABERDEEN, MD, US Date Posted: 2025-07-09 Category: Cyber Subcategory: Cyber Ops Center Support Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven Vulnerability Remediation and Patching Support Technician to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full

Systems Administrator - IntermediateJob Title - Systems Administrator - Intermediate

Johns Hopkins University AppliedPhysicsLaboratoryCompany Name - Johns Hopkins University AppliedPhysicsLaboratory

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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