June 1, 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 8, 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 19, 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 4, 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 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. 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.
However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. Capgemini Government Solutions (CGS) LLC is seeking a highly motivated Machine Learning (ML) Engineer with an active security clearance to deliver high-quality code components to power the services, servers, distributed systems, and backend architecture.
June 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.
June 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.
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.
March 30, 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.
March 30, 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.
Bachelor’s degree in engineering or related field with 8+ years of prior relevant experience or a master’s degree with 6+ years of experience in one of these areas: systems engineering, software engineering, test engineering or related field.
Washington DC, DC18 days ago
p style="text-align:justify">Offering a broad range of information technology solutions, Arcticom, LLC provides network and systems administration, enterprise architecture and resource planning, certification and accreditation, software design, programming, maintenance of telecommunications and land mobile radio equipment and systems, help desk support and IT transformation services among other services. · Not be a friend, relative or other personal contact of any person employed in the Global Talent Management Office of Performance Evaluation (GTM/PE), the Office of the Director General and the Director of Global Talent (DGTM), or any office or individual involved in the selection/formalization of the service of the public member.
Washington, DC30+ days ago
This role is not focused on routine International Telecommunication Union (ITU) filings; rather, it requires a candidate capable of applying deep technical knowledge of RF systems to influence emerging rules, policies, and international regulations in ways that advance U.S. Government objectives at ITU Working Party (WP) meetings and ultimately at the World Radiocommunication Conference (WRC). RF Engineer 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 realted field; or High School Diploma or equivalent and 13 years relevant experience.
Washington, DC17 days ago
In this role, you will collaborate to support a large-scale routing and switching infrastructure, contributing to general network tier support while focusing primarily on the deployment and management of the agency's new network access control platform. Responsible for designing, configuring, monitoring, and troubleshooting Cisco ISE as a NAC/NAM platform, including TACACS+/RADIUS services, device administration policies, and wired/wireless 802.1X authentication.
Network Security Engineers interact daily with a wide variety of industry leading network security products including, but not limited to, firewalls, Intrusion prevention systems, full packet capture solutions, mail gateways, advanced malware defense systems, and TLS inspection solutions. With more than 800 vetted technology vendor partnerships and deep practitioner expertise across every major cybersecurity domain, GuidePoint serves more than half of the U.S. Government's cabinet-level agencies across Civilian, DoD, and Intelligence Community segments, as well as Federal System Integrators and major defense prime contractors.
p>Keywords: Network Security, Cisco ISE, Cisco Firepower, ASA to FTD Migration, 802.1X, DMVPN, Juniper ADVPN, OSPF, EIGRP, BGP, Firewall Engineering, IPS, Intrusion Prevention, Network Architecture, CCNP Security, CCNP Enterprise, CCDP, Top Secret Clearance, Government Contractor, Onsite, Cybersecurity, Routing Protocols, Secure Network Design. The role focuses on designing, implementing, and maintaining advanced network security architectures, with a strong emphasis on Cisco and Juniper technologies.
Washington, District of Columbia30+ days ago
div class="job-description-container">
TITLE: Network Security Engineer
LOCATION: Washington DC/ Hybrid (on-site 3x/week)
MINIMUM EDUCATION: Bachelor’s degree in IT, related field, or equivalent experience.
REQUIRED EXPERIENCE: 12+ years
INTERVIEWS: Either Webcam or In Person
Job Description:
Network Security Engineer. *Only submit local candidates to DMV region*
*Hybrid position - candidate will be required to be on-site 3x/week in the near future.
By taking a three-tiered, holistic approach for evaluating security posture and ecosystems, GuidePoint enables some of the nation's top organizations, such as Fortune 500 companies and U.S. government agencies, to identify threats, optimize resources and integrate best-fit solutions that mitigate risk. Group Medical Insurance options: Zero Deductible PPO Plan (GuidePoint pays 90% of the premium for employees and 70% for family plans (spouse/children/family) or High Deductible Health Plan with HSA (GuidePoint pays 100% of the employees premiums and 75% for family plans (spouse/children/family).
The Network Security Engineer (CDAP) - Senior helps improve visibility and response across environments that include USIEM analytics, EDR, IDS/IPS, firewall technologies, cross domain services, and SIPRNet and NIPRNet-connected operations, while coordinating with organizations such as the NETCOM Global Cyber Center and DISA DCDC to advance continuous monitoring, threat-informed defense, and RMF-aligned cybersecurity outcomes. This role operates in a mission environment that delivers DoDIN services and cyber defense for more than 120,000 users and approximately 141,000 endpoints across roughly 2,800 sites in 54 states and territories, supporting Title 10 and Title 32 missions, mobilization readiness, domestic emergency response, and classified and unclassified operations.
Washington Dc, District of Columbia3 days ago
div>Responsible forsupporting Engineering and Operations network solutions and strategic adherence to all aspects of the Information Assurance (IA) program as stipulated by various U.S. Government requirements including (but not limited to): Director of Central Intelligence Directives (DCID), IC Directive (ICD) 503 and associated NIST publications.
Responsible for supporting adherence to all aspects of the Information Assurance (IA) program as stipulated by various USG requirements including (but not limited to): Director of Central Intelligence Directives (DCID), Intelligence Community Directive (ICD) 503 and associated NIST publications.
This role supports Task 3 - Cybersecurity Operations Support by helping implement and sustain network security monitoring capabilities that defend ARNG classified and unclassified network environments across the DoDIN-Army-NG area of responsibility. This position contributes to a mission environment that delivers DoDIN services and cyber defense support to more than 120,000 users and approximately 141,000 endpoints across about 2,800 sites in 54 states and territories, including support for Title 10 and Title 32 missions.
To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. This third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources.
Washington, DC30+ days ago
p style="margin-bottom:26px">We are seeking a Mid Level ISSE to carry out the following duties and responsibilities: - Services to support Information System Engineering performed by the Information System Security Engineer (ISSE) at a minimum, shall consist of the following activities:
- Identify information protection needs for an IS and Network Environment.
- Minimum 5 years’ experience, or equivalent education/experience; Doctorate plus 4 years; Master’s plus 3 years; Associates plus 7 years; or H.S./GED plus 10 years.
Washington, District of Columbia30+ days ago
div>Highly Desired Certifications:
Certification in network or system administration is highly desired, such as CCNA, CCNP, CCIE, CISSP, MCSE, MCSA, or other related and similar certifications
Qualifications:
· Must have knowledge in the development, configuration, installation, and maintenance of networked systems including local area networks (LANs) and wide area networks (WANs), telephony systems; and perform routing network configuration management functions.
· Monitor network infrastructure and systems using tools such as Cisco ISE, Cisco Umbrella, Cisco FMC, SSH, Microsoft Active Directory Tools and Utilities, Microsoft Intune, Kaseya, Cayosoft, RDP, and managing appliances including IDS/IPS devices, firewalls, VMware vCenter, Windows Servers, DHCP, DNS, and other tools as available or necessary.
·
Competencies: • Exceptional customer service skills • Excellent analytical, problem-solving, customer service, project management and communication skills • Goal-oriented • Excellent decision making, integrity and working with IT management, business users and staff • Excellent oral and written communication skills, including technical and user documentation • Strong organizational skills • Ability to work independently and under high pressure with tight schedules and deadlines • Ability to interact well with all levels of business professionals • Excellent active listening skills • Flexible and patient with process development/execution and adherence to instruct project management practices • Capable of grasping new concepts quickly and without prior experience • Detail-oriented • Ability to multi-task and work in fast-paced environment • Ability to interact and coordinate with several teams to achieve objectives • Ability to solve problems independently and simultaneously, effectively managing multiple tasks • Professional demeanor at all times. Preferred: • Bachelor's Degree in Information Technology or Computer Information Systems • CISSP or equivalent certifications and/or experience • Experience working with the following products: • Palo Alto Network's Firewalls and Prisma Access • Tenable Vulnerability Scanner • VMWare • Cyberhaven Data Loss Prevention • Proofpoint Email Gateway and Anti-Spam • Forensic Tools • S/MIME email encryption • Delina Secret Server • Crowdstrike • Google SecOps SIEM • Two factor authentication technologies • Penetration testing tools • Patch management systems.
We leverage the latest technology innovations and proven approaches to better serve the mission and support the DHS, DOJ, and DoW workforce, customers, and programs, regardless of scale or complexity. ITC Federal, LLC (ITC) connects technology advancements in automation and AI, customer experience, and financial services to solve government mission challenges, enabling smoother operational efficiency and bolstering national security.
Washington, District of Columbia30+ days ago
The Cortex XSIAM Engineer will serve as a subject-matter expert (SME) throughout the full platform lifecycle: from requirements gathering and architecture design through deployment, integration, and continuous optimization — driving measurable improvements in threat detection and incident response times for our government and commercial clients.
Key Responsibilities
Platform Deployment & Integration
- Lead end-to-end deployment of Cortex XSIAM for federal and enterprise clients, including data source onboarding, log ingestion, and normalization.
Washington, DC11 days ago
li>Monitor networks and systems for security events, intrusions, and anomalous behaviors with the security operations team: daily review of data from Anti-Virus/Malware Detection, Firewalls, Intrusion Detection/Prevention Systems, Third Party Reports, Integrated Application Reports, Log Aggregation Platforms, and Web Application Firewalls (WAF). At EAB, we believe that to fulfill our mission to “make education smarter and our communities stronger” we need team members who bring a diversity of perspectives to the table and are committed to fostering a workplace where each team member is valued, respected and heard.
p>Responsibilities: Responsible for supporting Engineering and Operations network solutions and strategic adherence to all aspects of the Information Assurance (IA) program as stipulated by various U.S. Government requirements including (but not limited to):
• Director of Central Intelligence Directives (DCID) • IC Directive (ICD) 503 • Associated NIST publications.
Responsible for supporting adherence to all aspects of the Information Assurance (IA) program as stipulated by various USG requirements including (but not limited to):
• Director of Central Intelligence Directives (DCID) • Intelligence Community Directive (ICD) 503 • Associated NIST publications.
The Starshield team is building highly reliable in-space mesh networks, designing secure systems to guarantee access to space, designing next-gen communication and sensing software, and more. ITAR REQUIREMENTS:
- To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.
p>As a mission-driven healthcare organization Howard University Hospital relies on secure resilient and high-performing technology systems to support patient care clinical operations and enterprise services. Working across on-premises hybrid and cloud environments the Senior Cybersecurity Engineer helps ensure the hospitals technology environment remains secure compliant and resilient against emerging threats.
li>1+ years of experience designing, deploying, and managing Zscaler Cloud Connector, including deployment within cloud environments (AWS, Azure, and/or GCP), workload-to-internet and workload-to-workload traffic inspection, and integration with cloud-native networking constructs (e.g., VPCs, VNets, Transit Gateways). 5+ years of hands-on experience designing, deploying, and managing Zscaler Private Access (ZPA), including application segment configuration, access policies, connector deployment, and zero trust network access (ZTNA) architectures replacing legacy VPN infrastructure.
li>3+ years of experience with Cisco Identity Services Engine (ISE) 802.1X Network Access Control (NAC), guest lifecycle management, profiling policies, TrustSec segmentation, and Cisco Firepower capabilities including intrusion prevention system (IPS), malware protection, Uniform Resource Locator (URL) filtering, Domain Name System (DNS)-based security, Secure Sockets Layer/Transport Layer Security (SSL/TLS) decryption, and cloud firewall deployments in Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP). 5+ years of experience designing, deploying, and managing Cisco Firepower Threat Defense (FTD) and Firepower Management Center (FMC) in enterprise environments, including physical appliances, virtual instances, and cloud-delivered Firewall Management Center (cdFMC).
We focus on helping United States public sector institutions accelerate their digital transformations, and we continue to make significant investments and grow our team to meet the complex needs of local, state and federal government and educational institutions. Google is a global company and, in order to facilitate efficient collaboration and communication globally, English proficiency is a requirement for all roles unless stated otherwise in the job posting.
div class="col col-xs-7 description" id="job-description">RedSeal, a pioneer in proactive exposure management and winner of the SC Award for Best CTEM Solution, helps organizations see, understand, and secure their hybrid digital environments across IT (on-prem, cloud, and remote workers), OT, and IoT. Our platform models complex networking environments (physical, cloud, hybrid) and delivers actionable intelligence that strengthens resilience, accelerates incident response, and maximizes security team productivity.
District of Columbia7 days ago
p>This is a high-ownership role for a hands-on security builder who is equally comfortable designing AWS account architecture, reviewing Terraform, hardening VPC and transit-network patterns, building IAM guardrails, debugging cloud logs, and partnering directly with engineers to ship secure infrastructure quickly. The Nuclear Company is searching for a Cloud Security Engineer to help secure the AWS cloud infrastructure, network architecture, identity systems, and deployment platforms that power our Nuclear Operating System, internal engineering platforms, data environments, and mission-critical business systems.
li>Build and administer core network and systems security controls, including: Next Gen firewalls, ZTNA - Zero Trust Network Architecture, intrusion detection and prevention, anti-malware, application whitelisting, host intrusion prevention, endpoint detection and response (EDR), vulnerability scanners, content monitoring/filtering, and security monitoring (SIEM). This role is responsible for managing the controls that protect the organization''s computer networks, systems, and data from cyberattacks, working closely with IT teams to identify, assess, and mitigate security risks, and supporting incident response to contain the damage from security incidents and prevent future attacks.
p>Position Overview: Evans & Chambers Technology (EC) is seeking an experienced Information Systems Security Engineer (ISSE) to support a technical development program centered on cloud-based applications and associated infrastructure operating in a highly secure, classified network environment. The ISSE will integrate directly into a multidisciplinary team that includes software developers, systems engineers, DevOps engineers, database administrators, and systems architects.
li>Monitor networks and systems for security events, intrusions, and anomalous behaviors with the security operations team: daily review of data from Anti-Virus/Malware Detection, Firewalls, Intrusion Detection/Prevention Systems, Third Party Reports, Integrated Application Reports, Log Aggregation Platforms, and Web Application Firewalls (WAF). At EAB, we believe that to fulfill our mission to "make education smarter and our communities stronger" we need team members who bring a diversity of perspectives to the table and are committed to fostering a workplace where each team member is valued, respected and heard.
li>4 + years of focused experience in one or more of the following: computer network penetration testing and techniques; computer evidence seizure, computer forensic analysis, and data recovery; computer intrusion analysis and incident response, intrusion detection; computer network surveillance and monitoring; network protocols, network devices, multiple operating systems, and secure architectures. 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.