Senior System Administrator III Varada ConsultingSenior System Administrator IIILinthicum, MDRequired Experience: Bachelor’s degree in a technical discipline and 15 years’ experience as a System Administrator, OR High school diploma and 20 years’ experience as a System Administrator. Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving.
RHEL Administrator Above and Beyond Talent AcquisitionRHEL AdministratorAnnapolis Junction, MD$80,000–$120,000 / yearFull timePerformance Objectives / What you'll be doing: Administer, support, and optimize RHEL-based server infrastructure (RHEL 7.x/8.x/9.x), including installation, configuration, upgrades, and patch management. Automate routine tasks and system management using Ansible Automation Platform (AAP), scripting languages (Bash, Python, etc.), and other tools to improve operational efficiency.
Practice Administrator Greenspring Village by Erickson Senior LivingPractice AdministratorFranconia, VA$85,000 / yearThe candidate must also have detailed knowledge on practice management issues, including CPT, ICD-9, and HCPCs coding for primary care; medical records requirements; human resources; budgeting; OSHA; CLIA; insurance rules; HCFA regulations; compliance; and other applicable state and federal laws and regulations. The incumbent is responsible for the overall coordination, planning, financial management, evaluation, and monitoring of the day-to-day operations of the medical centers, including hands-on participation in all medical office support activities.
Home Care Administrator Greenspring Village by Erickson Senior LivingHome Care AdministratorFranconia, VA$115,000–$140,000 / yearYou’ll also play a pivotal role in building and developing a high-performing team, fostering a culture of compassion, accountability, and innovation while expanding services that make a meaningful difference in the lives of those we serve. Location: Greenspring Village by Erickson Senior Living Step into a dynamic leadership role as our Home Health Administrator , where you’ll drive the success of our onsite Home Health and Home Support agency .
NewSr Linux Systems Administrator Twenty80 LLCSr Linux Systems AdministratorAnnapolis, MDIn this role, you'll work within a large software development environment, ensuring enterprise systems remain secure, reliable, and highly available while implementing automated infrastructure to support next-generation malware analysis, cyber orchestration, and data enrichment capabilities. Network Performance: Strong ability to diagnose connectivity issues, resolve critical network outages, and optimize network performance by eliminating data bottlenecks.
System Administrator System OneSystem AdministratorAnnapolis Junction, MD$150,000 / yearThis role is ideal for someone who enjoys hands-on troubleshooting, optimizing system performance, and working closely with engineering and operations teams to keep essential infrastructure reliable and available. This team includes professionals who specialize in platform , network , and storage engineering—but everyone is expected to contribute to core Linux system administration and operational sustainment work.
Dialysis Facility Administrator U.S. Renal CareDialysis Facility AdministratorBowie, MDContinuously monitor to ensure that a safe and sanitary physical environment is maintained throughout the facility; that all equipment is maintained and functions properly; and that adequate and appropriate inventory levels of all supplies are available and used correctly. STAFF DEVELOPMENT/ RETENTION Ensure all staff meet required qualifications for position held and perform duties within limitations established by and in accordance with company policy/procedures, health care professionals practice acts, applicable state and federal laws and regulations.
Sr Network Engineer The Computer Merchant, LtdSr Network EngineerLorton, VA$110–$115 / hourContractorWhile an hourly range is posted for this position, an eventual hourly rate is determined by a comprehensive salary analysis which considers multiple factors including but not limited to: job-related knowledge, skills and qualifications, education and experience as compared to others in the organization doing substantially similar work, if applicable, and market and business considerations. The ITP mission is to identify insider threats to the department by utilizing advanced analytics, monitoring, and data correlation which in turn help address and eliminate potential threat actors from compromising the Client mission in safeguarding the homeland.
Network Administrator Above and Beyond Talent AcquisitionNetwork AdministratorAnnapolis Junction, MD$90,000–$100,000 / yearFull timeTroubleshoot and resolve network issues using firewall logs, switch packet capture tools; engaging with cross-functional teams to leverage support and collaboration when necessary. Managing, monitoring, maintaining, and securing networks and tenant network segments that integrate the transport of networks and data.
Cyber and Information Systems Security Analyst/ISSO Johns Hopkins Applied Physics Laboratory (APL)Cyber and Information Systems Security Analyst/ISSOLaurel, MD$105,000–$290,000 / yearHave a strong working knowledge of the National Industrial Security Program Operating Manual (NISPOM), Joint Special Access Program Implementation Guide (JSIG), Intelligence Community Directives (ICDs), Risk Management Framework (RMF), and other policy requirements. We are ranked as one of Computerworld's Top Places to Work in IT 8 years running, and we are seeking a Cyber and Information Systems Security Analyst that will play an instrumental role in the design and operation of national security systems.
Systems Engineer LeidosSystems EngineerTemple Hills, MD$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. • The candidate should be a proactive leader and team player with strong communication, management, analytical, and problem solving skills; proven ability to thrive in environments that constantly embraces new technology.
Cloud Engineer LeidosCloud EngineerArlington, VA$87,100–$157,450If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 25, 2026For 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.
Active Directory Architect / Engineer LeidosActive Directory Architect / EngineerSilver Spring, MD$131,300–$237,350Design, deploy, upgrade, and administer Active Directory Domain Services, including domain controllers, forests, domains, trusts, and replication topologies (i.e. Manage and optimize Group Policy Objects (GPOs), OU structures, and security baselines; including object management through bulk operations and automation, Troubleshoot and resolve complex AD-related issues, including authentication failures, replication problems, DNS issues, and Kerberos/NTLM problems, Plan and execute Active Directory migrations, consolidations, and upgrades (of both underlying server infrastructure and overall forest/domain functional levels), Develop and maintain disaster recovery, backup, and restore procedures for AD environments (including AD Recycle Bin and authoritative restores), Monitor AD health and performance using tools such as Microsoft System Center, Azure Monitor, or third-party solutions). Deep expertise in designing, deploying, upgrading, and administering Microsoft Active Directory Domain Services (AD DS), including domain controllers, multi-domain/forest architectures, trusts, replication topologies, Group Policy Objects (GPOs), OU design, and security baselines.
Cloud Architect / Engineer LeidosCloud Architect / EngineerWashington, DC$131,300–$237,350Proven expertise with Generative AI infrastructure, including: Production-ready Retrieval-Augmented Generation (RAG) pipelines, Scalable vector databases (e.g., Pinecone, Weaviate, Milvus, FAISS, or managed services) with indexing, clustering, and optimized retrieval, GPU/TPU compute clusters, managed container orchestration (Kubernetes/EKS/AKS/GKE), and auto-scaling for large language model (LLM) workloads. Demonstrated experience implementing enterprise security and compliance frameworks (SOC 2, ISO 27001, HIPAA, PCI-DSS, CMMC, FedRAMP, etc.), including encryption, threat monitoring, and zero-trust architectures.
Lead Systems Engineer LeidosLead Systems EngineerWashington, DC$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 22, 2026For 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.
IT Network Administrator Expert In Recruitment SolutionsIT Network AdministratorWashington, DCYou will be responsible for the proactive monitoring, troubleshooting, and resolution of issues impacting a large-scale LAN/WAN architecture across over 100 county wide sites, including core IP networking, virtualization platforms, hybrid cloud environments (AWS, Azure, GCP), and SaaS integrations. o Configure and support LAN/WAN connectivity for user devices (PCs, VOIP phones, printers, IoT, card readers, body-worn cameras) Troubleshoot and maintain DHCP reservations, DNS configurations, firewall rules, ACLs, and VLAN assignments.
Network Engineer / Systems Administrator (SA) CymertekNetwork Engineer / Systems Administrator (SA)Annapolis Junction, MarylandNetwork Engineer, Systems Administrator, IT Infrastructure Engineer, Network Systems Administrator, Network Administrator, Systems Engineer, Cloud Systems Administrator, Network Operations Engineer, IT Support Engineer, Network Security Engineer, etc. Computer Science, Information Technology, Network Engineering, Systems Engineering, Computer Engineering, Information Systems, Cybersecurity, Electrical Engineering, Data Science, Applied Mathematics, etc.
Network Engineer / Administrator (Ts/Sci Clearance Required) NorthHill TechnologyNetwork Engineer / Administrator (Ts/Sci Clearance Required)Springfield, VirginiaProvide 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. Isolate and resolve hardware and software problems involving the applications, the operating system, the hardware, the communications infrastructure, or any combination therefore.
Network Administrator - Mid ValidaTekNetwork Administrator - MidFort Belvoir, VAPrimary focus will be on, handling internal projects for operations, supporting driving time-sensitive initiatives, supports ITIL service area activities (problem management, incident management, service request fulfillment, etc.) and specific tasks to a successful conclusion, operations management, configuration/change management, service level agreements (SLA). The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations.
Network Administrator - Mid ValidaTek IncNetwork Administrator - MidFort Belvoir, VAPrimary focus will be on, handling internal projects for operations, supporting driving time-sensitive initiatives, supports ITIL service area activities (problem management, incident management, service request fulfillment, etc.) and specific tasks to a successful conclusion, operations management, configuration/change management, service level agreements (SLA). The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations.