System Administrator Delan Associates, IncSystem AdministratorOwings Mills, MDMinimum: Bachelor's Degree (Computer Science or related field) and 5-7 years relevant experience (IT infrastructure support, application support, cloud computing, disaster/recovery) or 6-9 years of relevant work experience. Understanding of change management principles associated with sustaining high availability of systems and preventing change related incidents due to human performance factors.
Senior Linux Systems Administrator LeidosSenior Linux Systems AdministratorAnnapolis Junction, MarylandApril 15, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. 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.
Storage Systems Engineer - Secret Clearance PGTEKStorage Systems Engineer - Secret ClearanceFort Meade, MD$130,000–$160,000 / yearYou'll be responsible for maintaining highly available storage infrastructure, supporting mission-critical environments, and ensuring data protection through enterprise backup technologies. This role is ideal for an engineer with extensive experience managing enterprise storage environments, Storage Area Networks (SAN), and Backup & Recovery (BURA) solutions.
Lead Linux Systems Administrator (TS/SCI with Polygraph) Red AlphaLead Linux Systems Administrator (TS/SCI with Polygraph)Annapolis Junction, Maryland$180,000–$250,000 / yearOur total compensation package was strategically designed with our members in mind with the intention to: reward our members for their hard work and commitment to our customers' missions; allow members to share in Red Alpha's success as we continue to grow and expand our footprint; provide long-term career opportunities through stability and internal mobility; and provide the resources our members need to support themselves and their dependents in the form of a robust benefits package. This team provides information security solutions enabling secure data transmission, the identification and prevention of unauthorized activity, completion of system security vulnerability assessments, and the development of effective security solutions.
Undersea Systems Deputy Cyber Project Manager Booz Allen HamiltonUndersea Systems Deputy Cyber Project ManagerUsa, District of ColumbiaOnsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Senior Systems Engineer (SE-3) LeidosSenior Systems Engineer (SE-3)MarylandSeeking a motivated Senior Systems Engineer to support the exciting Analysis & Mitigations mission to assist in defining and implementing a system architecture for an Agentic Knowledge Management System using an agentic framework to perform automated knowledge extraction. 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.
Systems Integration Consultant JLLSystems Integration ConsultantWashington, DCWhether you've got deep experience in commercial real estate, skilled trades or technology, or you're looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you're pursuing.
Systems Administrator Booz Allen HamiltonSystems AdministratorUsa, Maryland$61,900–$141,000 / yearOnsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Senior Systems Administrator-VDI Tetrad Digital Integrity LLCSenior Systems Administrator-VDIFort Meade, MD$110,000–$115,000 / yearTetrad Digital Integrity (TDI) is a leading-edge cybersecurity firm with a mission to safeguard and protect our customers from increasing threats and vulnerabilities in this digital age. Final compensation will be based on factors including experience, education, skills, geographic location, internal equity, market data and applicable contract requirements, and may fall outside the posted range.
Sr. Systems Engineer (Quantum Computing) - FS Poly stanleyreidSr. Systems Engineer (Quantum Computing) - FS PolyMarylandApply online at https://careers.stanleyreid.com/ or contact our MD team for more info: mwhitford@stanleyreid.com, asmith@stanleyreid.com. You'll participate in Integrated Product Teams (IPTs) and Configuration Control Board (CCB) reviews, coordinating action resolution and developing comprehensive system design solutions and verification plans.
Options for Systems Engineers, all levels - FS Poly stanleyreidOptions for Systems Engineers, all levels - FS PolyAnnapolis Junction, MarylandApply @ https://careers.stanleyreid.com/, or contact our MD team for more info: mwhitford@stanleyreid.com, asmith@stanleyreid.com. Once we have a good idea of what you're looking for, we can do all the leg work in researching, digging and connecting you with opportunities that are closely aligned.
Options for Systems Administrators, all levels - FS Poly stanleyreidOptions for Systems Administrators, all levels - FS PolyAnnapolis Junction, MarylandApply @ https://careers.stanleyreid.com/, or contact our MD team for more info: mwhitford@stanleyreid.com, asmith@stanleyreid.com. Once we have a good idea of what you're looking for, we can do all the leg work in researching, digging and connecting you with opportunities that are closely aligned.
Storage Systems Engineer - Secret clearance PGTEKStorage Systems Engineer - Secret clearanceFort Meade, MD$130,000–$160,000You'll be responsible for maintaining highly available storage infrastructure, supporting mission-critical environments, and ensuring data protection through enterprise backup technologies. This role is ideal for an engineer with extensive experience managing enterprise storage environments, Storage Area Networks (SAN), and Backup & Recovery (BURA) solutions.
Linux Systems Administrators - All Levels LeidosLinux Systems Administrators - All LevelsAnnapolis Junction, MarylandJune 15, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Our talented team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
Windows Systems Administrator LeidosWindows Systems AdministratorSuitland, MarylandExtensive experience administering enterprise Windows environments, including Active Directory (AD), Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP), Microsoft Exchange email services, Microsoft Azure Cloud, Remote Desktop Services, VMware, Omnissa, desktop management, and Windows Server services. August 8, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
NewDHS Sr. Operational Technology (OT) Security Engineer OneZero SolutionsDHS Sr. Operational Technology (OT) Security EngineerWashington, DCThe result of these efforts will be that the systems meet all the requirements for ATO approval before they are officially submitted to the Office of Chief Information Officer (OCIO).Job SummaryServe as the Cybersecurity Assessment Team's principal Operational Technology SME.Participate in the development and implementation of comprehensive Cybersecurity program strategies, including OT security engineering design review, vulnerability assessments, penetration testing, and incident response planning. Operational Technology (OT) Security EngineerLocation: NCRClearance: TS /SCIOneZero Solutions is on contract to provide division-wide support for Federal Information Security Modernization Act (FISMA) compliance, execution of the Risk Management Framework (RMF) process to achieve and maintain Authority to Operate (ATO) security authorizations, and deliver cyber security compliance for DHS operational mission systems.
AI Systems Engineer OpenDataJobsAI Systems EngineerWashington, DCWe are a data and technology innovation hub and a Benefit Corporation working at the center of the federal government's mission to deliver for client stakeholders and the US public, looking for highly motivated contributors who thrive when trusted to own a hard problem and equipped to deliver the solution. Your first assignment is to build the backend that powers how a federal agency processes its filer applications: the services and secure application programming interfaces (APIs) that move each submission through document processing, validation, and decisioning.
System Administrator Level 2-FFPP-8916 Onyx PointSystem Administrator Level 2-FFPP-8916Hanover, MarylandConfigure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance. -Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
Senior Cybersecurity Systems Engineer ManTechSenior Cybersecurity Systems EngineerWashington, DCSupport the phasing and fielding of cybersecurity for existing systems to future needs and trends through planned integration of the necessary cyber related architectural features and tools to protect the confidentiality, integrity and availability of the systems, networks platform mission and operation. + Bachelor’s degree in Computer Science, Cybersecurity, Network Security, Information Technology, Electrical Engineering, or Mathematics with concentration in Computer Science.
Security Officer Access Gate Officer Allied UniversalSecurity Officer Access Gate OfficerSparrows Point, MarylandProvide customer service to employees, visitors, and/or drivers by following site-specific access control procedures, credential checks, and visitor management protocols at the location. Join Allied Universal at a fast-paced logistics and distribution location, where you will help monitor entry points, verify credentials, and support access control procedures.