May 26, 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. If 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.
April 7, 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. If 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 16, 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.
Experience evaluating enterprise network architectures and developing improvement plans across LAN, WAN, WLAN, routing, switching, firewalls, VPN, proxies, security stacks, software-defined networking, and cloud-connected environments.
June 16, 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.
Experience evaluating enterprise network architectures and developing improvement plans across LAN, WAN, WLAN, routing, switching, firewalls, VPN, proxies, security stacks, software-defined networking, and cloud-connected environments.
April 23, 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. If 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.
May 29, 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. If 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.
p>As the Network Operations Watch Officer, you will enable Command and Control (C2) of the Department of Defense Information Network (DODIN) by ensuring its overall health through 24/7 monitoring, directing, controlling, coordination, de-conflicting, synchronizing, and reporting the current connectivity status of the physical layer Transport supporting DODIN to DJOC Battle Captains and DISA Current Operations senior leaders. June 5, 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.
April 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. If 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.
li>4+ years’ experience engineering and troubleshooting networks, including extensive routing and switching experience such as one or more of the following: MPLS, VPNs, routing protocols i.e. BGP, OSPF, IS-IS, switching protocols i.e. Spanning Tree Protocol, VLANs, LLDP, VoIP, Multicast protocols and emerging network technologies. May 5, 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.
May 21, 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. If 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.
Arlington, VA30+ days ago
LEVEL 4 - 10 years relevant experience with Bachelors in related field; 8 years relevant experience with Masters in related field; or High School Diploma or equivalent and 14 years relevant experience. LEVEL 3 - 6 years relevant experience with Bachelors in related field; 4 years relevant experience with Masters in related field; or High School Diploma or equivalent and 10 years relevant experience.
Multiple Locations4 days ago
BGP proficiency across diverse platforms including Azure VWAN, Arista, Aruba, AWS Transit Gateway, Virtual Network Gateways, VPNs, and Palo Alto. This position typically operates as a team of one, but for larger initiatives you’ll coordinate with engineers borrowed from DevOps, Network Security, and other teams for periods ranging from weeks to months.
Springfield, VA30+ days ago
NW Communications 4: 9+ years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience. NW Communications 3: 5+ years of experience and a Bachelor's Degree, or 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.
Fort Belvoir, VA30+ days ago
Excellent analytical, technical, communication, planning, presentation, and organizational skills with the ability to articulate new ideas and concepts to technical and nontechnical audiences, internal teams, senior leaders, vendors, partners, customers, and stakeholders. Will analyze site survey reports, recommend network modernization upgrades, craft network architectures, and assist operations leads in creating deployment plans and executing capability roll outs.
Fort Belvoir, VA30+ days ago
Will analyze site survey reports, recommend network modernization upgrades, craft network architectures, and assist operations leads in creating deployment plans and executing capability roll outs. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
Springfield, VA30+ days ago
Office SharePoint Server (MOSS) and Outlook Web Apps (OWA) 10 provide an enterprise platform 10 share and manage content, knowledge, and applications to empower teamworks quickly find information, and be able to collaborate across the organization. 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.
Fort Meade, MD30+ days ago
This role requires a strong understanding of various operating systems, networking principles, virtualization technologies, and cybersecurity best practices to ensure the reliability, availability, and integrity of mission-critical systems. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class.
Fort Meade, MD30+ days ago
This role requires a strong understanding of various operating systems, networking principles, virtualization technologies, and cybersecurity best practices to ensure the reliability, availability, and integrity of mission-critical systems. 3 years relevant experience with Bachelors in related field; 1 year relevant experience with Masters in related field; or High School Diploma or equivalent and 7 years relevant experience.
Springfield, VA30+ days ago
5+ years of hands-on systems administration of Microsoft SQL Server (2016 - 2022) and enterprise server applications, specializing in Windows Server Failover Clustering (WSFC), Always On Availability Groups, SQL Server Management Studio (SSMS). 3+ years of experience managing SQL Server integrated within a Microsoft AD domain and forest, including service account security (gMSAs), Kerberos constrained delegation (SPNs), and DNS/DHCP configurations for multi-subnet clusters.
Fort Belvoir, VA30+ days ago
Implementing and maintaining the organization's cybersecurity toolsets, such as endpoint security solutions (ESS), malware protection, network detection & response (NDR), and endpoint detection & response (EDR) . As a Cyber Tools Administrator, you'll play a pivotal role in protecting our digital assets and strengthening our security posture through proactive monitoring, analysis, and implementation of cutting-edge security solutions.
Springfield, VA30+ days ago
System Administrator: 3 years relevant experience with Bachelors in related field; 1 year relevant experience with Masters in related field; or High School Diploma or equivalent and 7 years relevant experience. This position is part of our Cyber and Intelligence division, which plays a critical role in supporting Enterprise-Level Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations.
They activate end user data monuments; enable/disable data switch ports, make configuration changes on routers/switches/wireless controllers/network management tools/DWDM optical equipment, and troubleshoot end user network issues, and monitoring and managing network equipment and telecommunication circuits. The MIL Corporation (MIL) is a dynamic workforce of industry professionals who deliver world-class solutions in cyber, engineering, financial management, and information technology - and we are looking for candidates like you!
Baltimore, Maryland30+ days ago
At least 4 years’ experience with Cisco router and switch configuration commands and configuring network authentication using TACACS and RADIUS protocols. Prepare network equipment for deployment by loading appropriate software and configuration setting according to pre-engineered design templates.
p>What You Will Do: • Windows and Linux system administration of enterprise wide or program/lab related systems, including setting up new and/or maintaining existing environments • Administration or support of virtualized environments leveraging a range of technologies including VMWare, Hyper-V, Citrix, and Proxmox • Administration or support of enterprise domain environments, including Group Policy, SCCM, PKI, DHCP, and DNS • Basic network administration of network appliances, implementation of new ACLs of VLANs for a given environment • Documenting and reporting of overall system configuration and adherence to any hardening requirements (such as CIS, DISA STIG, NIST, etc) for a given environment and working with Solipsys Cyber Operations group as required for vulnerability mitigations, incident response, and/or compliance efforts • Assisting in implementation and integration of COTS solutions and infrastructure deployments that enhance and address Information Technology related projects to provide new capabilities or services, in addition to management and compliance of existing security technologies deployed throughout the enterprise • Collaborating with team members to leverage skills and knowledge of enterprise IT solutions to develop, and design future technology solutions to ensure they are consistent with enterprise architecture security policies • Staying up to date with current technology innovations. for racking equipment Ability to communicate well in oral and written form Self-driven and highly motivated with strong problem-solving skills Familiarity with Container technologies, Cloud technologies, DevOps concepts, and/or software development experience Proficiency with scheduling and prioritization of workloads based on numerous factors such as schedule, resource availability, and on-demand requests from escalated tickets or emergent requests Proficiency in scripting via bash and/or Powershell A Microsoft Certified Systems Administrator (MCSA), RedHat Certified Systems Administrator (RHCSA), VMWare VCP, or other industry relevant certifications.
Washington, DC19 days ago
li>Assist ISSM/ISSO/ISSE with the Integration/Development new techniques to improve Confidentiality, Integrity, and Availability for Advanced technical competency in one or more of the following supported platforms: Microsoft Windows Server, Active Directory Red Hat Enterprise Linux servers, MS Hyper-V/VMWare/ESx/Xen Hypervisors, Enterprise networking/firewalls/intrusion detection/prevention systems, forensic analysis/vulnerability assessment, Group Policy management and configuration, Scripting, BMC Footprints, WSUS, , Lumension, Bitlocker, SQL Server 2012, TomCat, IIS, Windows Server 2012r2/2016, Win 10, Red Hat 6.5, Microsoft Office. The primary function will be to organize, install, and support government organization's computer systems, including local area networks (LANs), wide area networks (WANs), network segments, intranets, and other data communication systems.
Our purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities. We modernize networks and AI infrastructure from the core to the edge and develop new infrastructure and device services to help clients stay ahead with the latest technology advancements.
Arlington, VA30+ days ago
Experience designing, supporting, and troubleshooting high-bandwidth, low-latency multi-site networks, including Cisco routing/switching, Cisco ISE, firewalls, VPNs, optical transport, and high-capacity data circuits (Juniper and Ciena experience strongly valued). As a Lead Network Administrator working for AMERICAN SYSTEMS in a high-performance computing environment, you will: Architect and engineer high-bandwidth, low-latency inter-site network solutions connecting geographically dispersed HPC sites.
In this role, you will work at the direction of the Government Lead Network Administrator to administer FPI network resources and access, including installing and configuring computer networks and systems, identifying and solving problems that arise with computer networks and systems, assembling new systems, maintaining existing software and hardware and upgrading any that have become obsolete, monitoring computer networks and systems to identify how performance can be improved, working with IT support personnel, and providing network administration and support. REQUIRED EXPERIENCE- Network Administrator requires 7 years of networking experience.
- CompTIA Network+ certification can be used to substitute for 2 years of network experience.
Washington, DC30+ days ago
Job Description: Summary: The Network/System Administrator II primary function is working within Special Access Programs (SAPs) supporting Department of Defense (DoD) agencies, such as HQ Air Force, Office of the Secretary of Defense (OSD) and Military Compartments efforts. Working knowledge of Local Area Network (LAN) and Wide Area Network (WAN) technologies and data backup technologies to include communication security (COMSEC) integration.
p>The Carnegie Endowment for International Peace, a global network of policy research centers, is seeking a full-time Cybersecurity and Network Administrator (CNA) to manage and secure its technology infrastructure and equip staff with cybersecurity best practices. Experience with any of the following systems is preferred: CrowdStrike, Rapid7 (SIEM and vulnerability management), Avanan Checkpoint, KnowBe4, Cisco Secure Access, and Azure's tools such as Defender (Advanced Threat Protection), Security Center, and Purview.
This project will provide IT service desk, systems, network, and security operations support for Federal Prison Industries (UNICOR), supporting end users, Microsoft infrastructure, and mission-critical business systems in hybrid work environments. The Junior Network Administrator ensures that all computers and other devices connected to networks, including routers, hubs and switches, are operating correctly.
Washington, DC20 days ago
NFF is a Cisco Gold Integrator Partner, Splunk Partner, Arista Partner, Cohesity Partner, Apptega Partner, NetApp Gold Partner, VMware Enterprise Partner, Alloterra Labs Partner, Axis Communications Partner, Asimily Partner, Signify Partner, Rapid7 Partner, Foresite Partner, Arctic Wolf Partner, Microsoft Certified Silver Partner, and Dell Solution Provider Partner. Our expertise includes solutions for Artificial Intelligence Enablement, Data Center & Cloud, Intelligent Networks, Secure, Connected IoT Technologies, Professional and Managed Services, Workforce Solutions and Zero Trust Strategies.
Washington, DC30+ days ago
p style="text-align:justify;line-height:normal">Knowledge, Skills, and Abilities (KSAs):. Ability to monitor and troubleshoot network performance.
p>JOB TITLE: Network Automation Adminstrator AGENCY SUPPORTED: Department of Homeland Security (DHS) - USCIS OIT Architecture Engineering Support (AES2)LOCATION: Fully RemotePOSITION TYPE: Full-timeCLEARANCE REQUIREMENT: Must be able to obtain DHS Suitability security clearance, which typically requires 2-4 weeks for processing and must be completed prior to the start date. This role requires deep expertise in network automation, scripting, SDN/NFV, and CI/CD pipelines, with the ability to optimize workflows and automate network provisioning using tools such as Ansible, Terraform, and other automation frameworks.
Suitland, Maryland30+ days ago
p>Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Job Title: Network Management/Administrator Level 3
Job Category: Information Technology.
There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Minimum Qualifications:
Bachelor's degree in a technical discipline from an accredited college or university and Twelve (12) years of experience as a Network Administrator supporting programs and contracts of similar scope, type, and complexity.
Washington, DC14 days ago
p>FOREIGN EDUCATION: If you are using education completed in foreign colleges or universities to meet the qualification requirements, you must show the education credentials have been evaluated by a private organization that specializes in interpretation of foreign education programs and such education has been deemed equivalent to that gained in an accredited U.S. education program; or full credit has been given for the courses at a U.S. accredited college or university. For more general information, system requirements, reasonable accommodation information, and to request assistance regarding the USA Hire Assessments, review the following resources: https://appsupport.usastaffing.gov/hc/en-us/sections/28980562523540-USA-Hire-Assessments.
Our team is at the cutting edge of Security Engineering, Computer Network Operations (CNO), Mission Software, SIGINT, and advanced analytics-delivering solutions that directly support critical national security missions. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Fort Belvoir, Virginia30+ days ago
Primary 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.
Germantown, Maryland4 days ago
ul style="margin: 0px; padding: 0px; font-family: verdana;">Develop, review, and enforce firewall rule sets and Access Control Lists (ACLs) in accordance with the principle of least privilege, conducting periodic audits to identify and remediate unauthorized or anomalous access . - Monitor firewall logs, SIEM alerts, and network traffic flows to identify indicators of compromise, policy violations, and anomalous activity; escalate and respond to incidents per established DOE incident response procedures .
Ft Belvoir, Virginia30+ days ago
Primary focus will be handling internal projects for operations, supporting driving time-sensitive initiatives and ITIL service area activities (problem management, incident management, service request fulfillment, etc.) and specific tasks leading to a successful conclusion of operations evaluation, configuration/change management, and service level agreements (SLA) compliance. 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.
Proficiency with the following applications: Windows Workstation/Server OS, VMware, Microsoft 365, EDR/MDR, Email Security Solutions, Microsoft SQL Server, Enterprise Backup/Restore/Replication Platforms, and strong exposure to emerging technologies. JOB SUMMARY: The Network & Systems Administrator will be responsible for the design, implementation, maintenance, and security of the organization's hardware, software, cloud applications, and network infrastructure.
Germantown, MD30+ days ago
ul>Monitor firewall logs, SIEM alerts, and network traffic flows to identify indicators of compromise, policy violations, and anomalous activity; escalate and respond to incidents per established DOE incident response procedures. Peraton delivers mission-critical cybersecurity solutions in support of the Department of Energy (DOE), protecting the networks, systems, and infrastructure that underpin our nation''s energy security and nuclear enterprise.
Germantown, MD30+ days ago
Monitor firewall logs, SIEM alerts, and network traffic flows to identify indicators of compromise, policy violations, and anomalous activity; escalate and respond to incidents per established DOE incident response procedures. Peraton delivers mission-critical cybersecurity solutions in support of the Department of Energy (DOE), protecting the networks, systems, and infrastructure that underpin our nation''s energy security and nuclear enterprise.
Washington, DC30+ days ago
Location Washington, DC Opening and Closing Dates 03/25/2026 - Open Until Filled Appointment Type Permanent Classification Level/Grade CL 28 Salary $81,906 - $133,178 Announcement Number CFC-2026-04-IT Link to Job Announcement. The Systems & Network Administrator performs routine administration to the servers and implements complex updates, including developing systems documentation and data network security.
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. 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.
You will serve as a key escalation point for complex infrastructure and platform issues, working across Linux systems, networking layers, and SQL databases. This is a hands-on technical role for someone who is comfortable working directly in Linux environments, diagnosing network and system-level issues, and owning problems end-to-end in a production support context.
p>Minimum Requirements/Qualifications: - Bachelor of Science degree in Computer Science or related field coupled with six years minimum experience in Information Technology, which includes at least three years in network administration OR high school diploma with eight years minimum experience in Information Technology, which includes at least four years in network administration.
- Experience with switch image/code updates, backup/restore of configurations, VLAN configuration to include 802.1Q, configuring and troubleshooting Access Control Lists strongly preferred.
Tysons Corner, VA30+ days ago
The MIL Corporation (MIL) is a dynamic workforce of industry professionals who deliver world-class solutions in cyber, engineering, financial management, and information technology - and we are looking for candidates like you! Installing, configuring and removing system hardware (servers, workstation, monitors, printers, plotters, scanners, transceivers, network interface cards, network physical links, etc.).