Senior Network Security Engineer (SDN / Multi-Enclave) PeratonSenior Network Security Engineer (SDN / Multi-Enclave)College Park, Maryland$146,000–$234,000 / yearFull timeResponsibilities: Peraton Labs is seeking a poly cleared Senior Network Security Engineer (SDN / Multi-Enclave) to provide senior technical leadership for the secure design, implementation, and sustainment of network and system architectures across multiple enclaves, including environments with different data protection and classification requirements. Minimum of 12 years of experience as a Network Security Engineer (or related role) supporting DoD/IC programs, and a Bachelor’s in Computer Science, Cybersecurity Engineering, System Engineering, Network Engineering or related discipline.
IT Security Engineer ZetierIT Security EngineerArlington, VAZetier seeks experienced IT Security Engineer to support, manage, and secure our rapidly expanding infrastructure. Candidates will demonstrate experience in maintaining, deploying, and troubleshooting segmented IT systems.
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.
Information Systems Security Engineer Galapagos Federal Systems LLC.Information Systems Security EngineerWashington, Washington, DC$160,000–$170,000 / yearFull timeWe deliver professional services in IT Design & Installation, Cybersecurity Engineering & Support, Application Integration & Development, Software & Hardware Engineering, Network & Systems Management, Information Systems Security, and Business Management Services. The ISSE ensures strategic and technical adherence to all aspects of the Information Assurance (IA) program in accordance with U.S. Government and Intelligence Community requirements, including ICD 503, RMF, and applicable NIST and CNSSI guidance.
Endpoint Security Engineer III CACIEndpoint Security Engineer IIISpringfield, VirginiaPay 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. • Provide specific, detailed information for hardware and software selection, implementation techniques, and tools for the most efficient solution to meet business needs, including present and future capacity requirements.
Open Talent Network: Senior Network/Security Engineer Ad HocOpen Talent Network: Senior Network/Security EngineerMc Lean, VARemote$153,000–$187,000 / yearWe partner with these agencies to build new capabilities, deliver products, establish data as a strategic asset for informed decision-making, modernize legacy systems, and build the digital service infrastructure necessary to scale their mission impact. Experience with Palo Alto, panorama OS (PAN-OS), Firewalls, SIEM, Security Configuration Management (SCM), migration, security and compliance, RBAC and access models, Data Loss Prevention (DLP), Strata Cloud Manager.
Senior Network Security Engineer (NRE SecOps) MindlanceSenior Network Security Engineer (NRE SecOps)Bethesda, MDRemoteThe Senior Network Security Engineer, Network Reliability Engineering (NRE) Security Operations (SecOps) is a technical leader and subject matter expert in designing and implementing the Network security strategy and firewall management platforms for the next-gen operations for all Client (MI) networks including the Property Networks, Datacenter/Cloud Networks, and Enterprise Networks. Establish management level relationships and partnering with all Business disciplines and other MI teams to define NRE SecOps services, meet service level requirements, and serve as an escalation point to resolve service delivery and operational issues.
Information Systems Security Engineer, NK-01-0033 Cyber B.A.T.Information Systems Security Engineer, NK-01-0033Annapolis Junction, MarylandThis role partners with systems engineers, architects, and developers to ensure security is integrated throughout the system development lifecycle while supporting risk management, security engineering, and compliance with DoD and NSA cybersecurity frameworks. Participate as a security engineering representative on multidisciplinary engineering teams supporting the design, development, implementation, evaluation, and integration of secure networking, computing, and enclave environments.
Cloud Security Engineer - Active TS/SCI ENS Solutions, LLCCloud Security Engineer - Active TS/SCIReston, VAENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. Associate’s degree and 5+ years of experience supporting IT projects and activities, Bachelor’s degree and 3+ years of experience supporting IT projects and activities, or Master’s degree and 1+ years of experience supporting IT projects and activities.
Lead Cyber Security Engineer MartinFedLead Cyber Security EngineerArlington, VAFull timeJOB OVERVIEW:MartinFed is seeking a highly experienced Lead Cyber Security Engineer to provide technical leadership in the design, implementation, assessment, and continuous improvement of enterprise cybersecurity programs and secure system architectures. Collaborate with software developers, system engineers, and IT personnel to integrate security throughout the system development lifecycle (SDLC).Mentor junior cybersecurity professionals and provide technical guidance across cybersecurity projects.
Information Systems Security Engineer (ISSE) LV8D SolutionsInformation Systems Security Engineer (ISSE)Chantilly, VAInterested candidates must be knowledgeable of best practices when implementing security controls including software engineering methodologies, security engineering methodologies, security engineering principles, and secure coding techniques and coordinate activities with Assessment and Authorization (A&A) stakeholders. LV8D Solutions is an elite Systems Engineering and Technical Advisory (SETA) company that delivers advanced systems engineering, integration, acquisition, mission operations, network communications, and cybersecurity support to our defense and intelligence customers.
Infrastructure Security Engineer JBG SMITHInfrastructure Security EngineerBethesda, Maryland$130,000–$160,000 / yearFull timeIn-depth knowledge of Cloud Service Operations & Controls, network monitoring/management tools, network access control (Cisco ISE), NIST Framework, Zero trust solution (Zscaler), sophisticated networks and dynamic routing protocols (BGP, EIGRP), SD-WAN, VoIP/Cloud Voice Solutions, SaaS, PaaS, IaaS, SCCM and device/system patching, Building Automation Systems, SIEM (Splunk, CrowdStrike), network and endpoint security tools, firewalls (Palo Alto, Meraki, Cisco, Ruckus), Citrix, as well as WVD/Workspaces. This role suits an engineer who takes a holistic, full-stack approach — comfortable across every layer of the environment, from physical network and cabling design through cloud architecture and application enablement — and who wants to materially influence the security posture of a multi-faceted real estate company.
NewEndpoint Security Engineer Abile Group, Inc.Endpoint Security EngineerSpringfield, VirginiaAbile Group, founded in July 2004 to support the Intelligence Community and its contractors across Enterprise Analytics, IT & Systems Engineering, and Program & Project Management, merged with Valiant Solutions in January 2026 - an established provider of cybersecurity technologies and services for Federal Agencies since 2005. With significant experience serving the Federal Government, we remain dedicated to our employees and clients and seek high‑performing professionals who excel at providing guidance, developing solutions, and delivering implementation support that blends industry best practices with client expertise and Abile’s broad technical capabilities.
Sr. Cyber Security Engineer Seneca HoldingsSr. Cyber Security EngineerChantilly, Virginia$135,000–$220,000 / yearThis team member will work to engineer, design, and sustain Comply-to-Connect (C2C) deployment support to migrate and maintain critical services across unclassified and classified environments. Experience deploying enterprise security software products including but not limited to firewalls, IPS, Anti-Virus, and network management systems.
Security Engineer Agile DefenseSecurity EngineerSpringfield, Virginia$120,000–$140,000 / yearThese systems include threat emulation, custom big data analytics, open-source and COTS/Government of the Shelf (GOTS) tools as listed below: • Cyber Threat Detection Tools • Case Tracking Tool- CASPR (JIRA, Confluence) • Enterprise Tactical Operations Tool • eDiscovery and Forensics Tools- EnCase, FTK, Nuix • Hunting and Threat Emulation Tools- Analysts VM's • Focused Operations Networks- Palo Alto FW's, Dell Switches • Threat Detection Tools- McAfee ePO, DTEX • Other FO Development Projects (As Assigned) In support of EAS the SET will perform the following tasks: Implement automation and orchestration capabilities within the FO environment. Requisition #: 1289 Job Tittle: FO Security Engineer Clearance: Secret Location: Springfield, VA The Security Engineering Team (SET) is required to provide network maintenance and special projects engineering support.
Information System Security Engineer (ISSE) IDS InternationalInformation System Security Engineer (ISSE)Annapolis Junction, MDWe combine deep technical expertise with mission-driven focus to support government, military, nonprofit, and public-sector customers. This role focuses on collaborating with government stakeholders to ensure compliance with security requirements and maintain secure system operations.
Information System Security Engineer (Isse) IDS InternationalInformation System Security Engineer (Isse)Annapolis Junction, MDWe combine deep technical expertise with mission-driven focus to support government, military, nonprofit, and public-sector customers. This role focuses on collaborating with government stakeholders to ensure compliance with security requirements and maintain secure system operations.
Information Systems Security Engineer ( ISSE) CACIInformation Systems Security Engineer ( ISSE)Columbia, MarylandPay 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. Participate as a security engineering representative on engineering teams for the design, development, implementation and/or integration of secure networking, computing, and enclave environments.
5G Cyber Security Engineer (Active TS/SCI Clearance) Akima, LLC5G Cyber Security Engineer (Active TS/SCI Clearance)Fort Meade, Maryland$140,000–$150,000 / yearPrevents the compromise of privileged account credentials from cyberattacks, promote credential hygiene and cybersecurity best practices, while ensuring systems/services comply with DoD cybersecurity requirements. Develops 5G reference architecture Course of Action (COAs), including network slicing as a service (NSaaS), that showcase leveraging secure carrier networks to access the DoDIN.
Deli Sales Associate Weis MarketsDeli Sales AssociateElmira, New York$17–$24 / hourMay assist with receiving, unloading, checking-in, breaking-down, and storing deliveries through operation of a power jack or hand jack (if properly trained – training provided). The requirements listed below are representative of the knowledge, skills, and/or abilities required: Education and/or Experience Completed or working towards a High School Diploma or General Education Degree (GED).