Principal Security Engineer Fannie Mae CorpPrincipal Security EngineerReston, VADeep knowledge of cloud security architecture, IAM, networking, encryption, logging, monitoring, workload protection, governance, and enterprise network security, including segmentation, firewalls, proxies, VPNs, DNS security, secure web gateways, IPS, load balancing, ZTNA, and SASE. Professional Certifications: Relevant industry certifications such as CISSP, CCSP, PCNSE, AWS Certified Security- Specialty, AWS Certified Advanced Networking- Specialty, Google Professional Cloud Security Engineer, Microsoft Certified: Azure Security Engineer Associate, GIAC certifications, or equivalent credentials.
Information Systems Security Engineer (ISSE) Dobbs Defense Solutions, LLCInformation Systems Security Engineer (ISSE)Landover, MDThis role partners closely with system administrators, network engineers, Information System Security Officers (ISSOs), and application teams to strengthen cybersecurity posture, support continuous monitoring, and protect mission-critical systems. Hands-on experience administering Tenable Nessus, CyberArk, Trellix, Splunk Enterprise, VMware vSphere, GitLab, Microsoft Windows Server, Red Hat Enterprise Linux, and Ubuntu Linux.
DevOps Engineer NewGen TechnologiesDevOps EngineerHerndon, VirginiaYou will be trained in DevOps and work alongside a collaborative team of Software Developers, Systems Development Engineers, Network Engineers, and Data Engineers to develop unique software that enables customer networks to safely operate at scale. Our team of Highly Cleared Specialists have hard-to-find skills and expertise in a wide spectrum of technologies to provide solutions that transform business processes and solve problems of national significance.
Information Systems Security Engineer-(TS/SC w/Poly)-Chantilly, VA iSenpaiInformation Systems Security Engineer-(TS/SC w/Poly)-Chantilly, VAChantilly, VirginiaInformation Systems Security Engineer (ISSE)-TS/SCI W/Poly-Chantilly, VA Required Degree: Bachlor’s Degree Required Experience: 5+ years Required Clearance: TS/SCI with Poly Description: The Information System Security Engineer (ISSE) designs, implements, and manages security solutions for information systems. iSenpai is a Woman-Owned Small Business (WOSB) that provides enterprise IT and cyber security services, cloud technology, and data analytics solutions for US Government and commercial customers.
F5 Applications Engineer AkimaF5 Applications EngineerAlexandria, VA$130,000–$136,000 / yearFor our government customers , Suvi delivers subject matter experts, an agile management approach, and innovative technologies that accomplish customers’ missions safely, securely, and efficiently. At Suvi, the work you do every day makes a difference in the lives of our 15,000 Iñupiat shareholders, a group of Alaska natives from one of the most remote and harshest environments in the United States.
NewAerospace Engineer INFINITY SYSTEMS ENGINEERING LLCAerospace Engineer20693, MDWork with the spacecraft factories, RF and digital technicians, network engineers, software teams, and others during existing or new spacecraft into the ground command and control architectures, includes spacecraft designs reviews, integration, ground and on-orbit tests. Develop mission plans, check the logs for day and overnight activity, compiles system and network statistics, writes or modifies perform files, and evaluate and trend spacecraft performance.
Core/Wan Network - Tier 3 CACI International Inc.Core/Wan Network - Tier 3Sterling, VA$120,800–$265,800 / yearPay 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. The Opportunity: Team CACI has an exciting and challenging opportunity available for a Network Designer supporting an Intelligence Community customer's CORE/wide-area (WAN), networks across multiple security domains.
UC Field Support Engineer Node.DigitalUC Field Support EngineerWashington, DCThe UC Field Support Engineer will be responsible for delivering technical support for UC systems, including incident resolution, hardware and endpoint troubleshooting, and coordination with centralized support teams to ensure continuity of operations. Strong expertise in UC infrastructure technologies, including Avaya Government Cloud telephony, Cisco Unified Communications infrastructure, and Microsoft Teams collaboration services.
Video Teleconference Engineer Geospatial And Cloud AnalyticsVideo Teleconference EngineerQua, VirginiaGCA is a minority veteran owned small business providing solutions to customer requirements in every realm of the intelligence and information technology industries to include, imagery/intelligence analysis, related systems engineering and administration, operations and maintenance, networking and VTC services. This role requires hands-on experience with AV system integration, VTC call support, and the administration of UC platforms in a dynamic and security-conscious enterprise setting.
NewSystems Engineer - Active Security Clearance CadreSystems Engineer - Active Security ClearanceReston, VAFull timeKnowledge of and hands on experience implementing IT and Cyber Security best practicesAbility to assess emerging technologies, determine their impact on corporate systems and incorporate them into technical plansStrong analytical and problem-solving skills; demonstrated ability to analyze complex situations, determine course of action and act promptly and effectively when problems ariseDemonstrated outstanding interpersonal skills and strong verbal and written communications skills Desired Qualifications:Active TS/SCI with poly with most recent BI/Poly dates within the last five yearsExperience building, deploying, maintaining, Windows and RedHat/CentoS serversExperience building, deploying, maintaining, Citrix VDI DesktopsKnowledge and hands on experience with Microsoft Azure, and Azure Stack HubExperience building, deploying, maintaining, Atlassian products such as JIRA and ConfluenceExperience building, deploying, maintaining, Microsoft ExchangeExperience building, deploying, maintaining clusters, load balancers, multi-datacenter applicationsExperience with Cisco Application Centric Infrastructure (ACI)Experience designing, building, deploying, and maintaining sensitive networksExperience with Enterprise database platforms such as MS SQL Server and Oracle databasesExperience with One Way Transfer Solutions and data flow managementKnowledge of SIEM and security analytical technologies (e.g. Splunk, pcap, Netflow, etc)Experience with Active Directory and identity managementExperience with hyper-converged infrastructure such as Cisco HX, Microsoft Storage Spaces DirectKnowledge of DevOps/DevSecOps methodologies and tools.
System Engineer, Level 3 Independent SoftwareSystem Engineer, Level 3Annapolis Junction, MDEducation and Experience: One of the following combinations is required: Bachelor’s degree in a qualified engineering field or a related discipline from an accredited college or university, plus six (6) years of systems engineering experience; or . Qualified engineering fields include, but are not limited to: Aeronautics, Biomedical, Chemical, Civil, Computer, Electrical, Environmental, Mechanical, Nuclear, Software, Systems, and Engineering Management.
Lead LAN/WAN Engineer GRVTYLead LAN/WAN EngineerWashington, DC$160,000–$172,000 / yearServing as a technical expert on established and ad-hoc project teams providing technical direction, interpretation, and alternatives on existing and new services to meet both architectural and operational needs. We have an exciting opportunity for an experienced Lead LAN/WAN Engineer who will provide expert design, analysis, research, and operation support to exceptionally complex networking problems and processes.
Systems Engineer / Telecom / Network Protocols GIGATEC EngineeringSystems Engineer / Telecom / Network ProtocolsAnnapolis Junction, MDFull timeGuides implementation planning, coordinates with government stakeholders on technical issues, ensures technical integrity of deliverables, and communicates with program teams and senior leadership. All protocol stacks for data transfer, to include but not limited to Routing protocols, Encapsulation, Tunneling and encryption, legacy protocols (i.e. SONET).
Network Architect Essnova Solutions, Inc.Network ArchitectWashington, DCMust have at least 9 years’ experience working with network infrastructure and cloud network technologies (i.e., Routing, Switching, Virtual Private Cloud (VPC), Virtual Network, NAT Gateways, VPN Gateways, Route53, DNS, Traffic Manager, Network Load Balancer, Application Gateway, Custom Route Tables, User Defined Routes, AWS Direct Connect and Azure ExpressRoute). Provide expertise with Azure and AWS cloud network technologies and equivalents such as Virtual Private Cloud (VPC), Virtual Network, NAT Gateways, VPN Gateways, Route53, DNS, Traffic Manager, Network Load Balancer, Application Gateway, Custom Route Tables, User Defined Routes, AWS Direct Connect and Azure ExpressRoute.
Firewall Engineer LeidosFirewall EngineerArlington, Virginia$92,300–$166,850 / yearAs part of this task order, Leidos will manage the commercial cloud migration and fully automate the continuous development & continuous integration environment, fourth estate consolidation, professionalize services – ITIL/DevSecOps based processes, improve the customer experience 1st call resolution, and achieve development of a service catalog for Defense Working Capital Fund (DWCF) Model. Identify and remediate misconfigurations, conflicting rules, security gaps, firewall and load balancer security issues, optimize rule-sets, and enhance the overall security posture and performance of Firewalls and Load Balancers.
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.
Principal Endpoint Security Systems Engineer LeidosPrincipal Endpoint Security Systems EngineerBethesda, Maryland$131,300–$237,350 / yearWorking in a hybrid cloud/on-prem mission environment the engineer will support integration of Linux and Windows hosted mission systems with the endpoint security product and maintaining the scan policies to ensure proper protection of mission systems from external threats. January 21, 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.
Lead Infrastructure Engineer Shield Consulting SolutionsLead Infrastructure EngineerLaurel, MD$190,000–$200,000 / yearInstall, configure and support mobile cellular and wireless networks to include switches, routers, gateway or functional servers, to support requirements of the scope and scale consistent with campus or system wide networks. Design and implement storage solutions utilizing multiple NetApp clusters to replace current end of life storage systems.
Lead Infrastructure Engineer (Laurel, MD) Shield Consulting SolutionsLead Infrastructure Engineer (Laurel, MD)Laurel, MD$190,000–$200,000 / yearInstall, configure and support mobile cellular and wireless networks to include switches, routers, gateway or functional servers, to support requirements of the scope and scale consistent with campus or system wide networks. Design and implement storage solutions utilizing multiple NetApp clusters to replace current end of life storage systems.
Firewall Engineer Tetrad Digital Integrity LLCFirewall EngineerArlington, VAFull timeThe goal will be to manage the commercial cloud migration and fully automate the continuous development & continuous integration environment, fourth estate consolidation, professionalize services – ITIL/DevSecOps based processes, improve the customer experience 1st call resolution, and achieve development of a service catalog for Defense Working Capital Fund (DWCF) Model. Identify and remediate misconfigurations, conflicting rules, security gaps, firewall and load balancer security issues, optimize rule-sets, and enhance the overall security posture and performance of Firewalls and Load Balancers.