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.
Washington DC, DC5 days ago
li>Cloud Operations & Reliability: Experience designing highly available systems using Azure-native tools for monitoring, backup, disaster recovery, and cost optimization. Virtualization & Core Infrastructure: Deep expertise in VMware (vSphere, ESXi, NSX, vCenter, SRM) and enterprise compute, storage, networking, and Active Directory.
Washington, DC26 days ago
While 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. This role architects, implements, and sustains highly available storage platforms supporting mission-critical SEC workloads across primary, alternate, and regional environments.
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.
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.
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).
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.
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, DC30+ days ago
One or more of the following certifications: Certified Information Systems Security Professional, Certified Cloud Security Professional, Palo Alto Networks Certified Network Security Engineer, or Cisco Certified Network Professional Security. 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.
Our platform models complex networking environments (physical, cloud, hybrid) and delivers actionable intelligence that strengthens resilience, accelerates incident response, and maximizes security team productivity. Network security at scale: routing/switching/firewalls/load-balancing; confident with IPv4/IPv6, NAT, BGP/OSPF/EIGRP, IPsec/GRE, MPLS/VPLS, VLANs/STP.
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.
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.
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.
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.
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).
li>Technical Leadership & Innovation Deploy and optimize RedSeal platform across complex hybrid cloud environments Integrate with enterprise tools including Splunk, Azure Sentinel, ServiceNow, and SIEM platforms Develop automation scripts (Python/API) to streamline workflows and reduce manual effort Create custom workflows, dashboards, and reporting solutions for security compliance.
Drive Client Success & Revenue Growth Lead strategic deployments for our federal client with networks spanning 1000+ devices Architect solutions that align with client security objectives and deliver measurable improvements Support client success and identify opportunities for platform expansion Collaborate with stakeholders including technical teams, project managers, and security leadership.
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.
People who choose to build their careers by building with us at Meta help shape a future that will take us beyond what digital connection makes possible today-beyond the constraints of screens, the limits of distance, and even the rules of physics. In this role, you will drive the design, implementation, and continuous improvement of security controls across Meta's large-scale network fabric, including edge, core, and data center environments.
Washington, D.C.20 days ago
p style="margin:0px">Peraton provides a secure, worldwide, high-performance communications network comprised of real-time interactive applications operating over a dedicated IP backbone with secure services for complex national and worldwide executive-level communications. Senior Network Engineer responsibilities:
- Drive modernization efforts by engineering and implementing infrastructure improvements, automation capabilities, and technology refresh initiatives.
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.
·
p>PwC does not intend to hire experienced or entry level job seekers who will need, now or in the future, PwC sponsorship through the H-1B lottery, except as set forth within the following policy: https://pwc.to/H-1B-Lottery-Policy. As a Cyber Defense & Engineering - Network Security - Sr Associate, you will play a pivotal role in designing and implementing robust security frameworks to protect organizations from cyber threats.
Washington, DC14 days ago
Responsible for designing, implementing, and managing firewalls, VPNs, intrusion prevention systems (IPS), and network access control (NAC) solutions. Provide all facets of network engineering expertise to support current and future requirements within requisite enterprise and tactical networks.
Washington, District of Columbia30+ days ago
div>Qualifications:
• 16+ years of experience developing, maintaining and recommending enhancements to IS policies/requirements (Required)
• 16+years of experience performing vulnerability/risk analyses of computer systems/apps (Required)
• 16+ years of experience identifying, reporting and resolving security violations (Required)
• Cloud-Azure (Highly Desired)
• Experience in complex Enterprise-level projects (Required)
• Expert understanding of Windows server operating systems (Required)
• Knowledge of on-premises and cloud security productions (Required)
• Good understanding of IP Networks/Security (Required)
• Extensive experience troubleshooting NetApp SAN (Required)
• In-depth knowledge of SAN replication/Disaster Recovery (Highly Desired)
• Hands-on experience managing storage on VMware ESXi (Required)
• Good understanding of server/endpoint operating system (Required)
• Windows 2016 AD Enterprise troubleshooting experience (Required)
• In-depth experience with Disaster Recovery & Avoidance planning (Required)
• VMWare Site Recovery Manager experience (Highly Desired)
• Excellent understanding of troubleshooting IT infrastructure (Highly Desired)
Education:
Bachelor’s Degree in IT or related field or equivalent experience (20 years) (Required), Master’s Degree in IT or related field (Highly desired)
Security CISSP, Security+, CEH (Required)
Skills Matrix:
• 16+ years of experience developing, maintaining and recommending enhancements to IS policies/requirements.
Job Description:
Short Description: Information Assurance and Security Specialist - Master
Hybrid, full-time position.
Complete Description:
Duties and Responsibilities:
• Identify network problems, and recommend improvements to ensure optional performance;
• Ability to monitor and analyze data traffic patterns within the OCFO Network infrastructure
• Ability to enhance security and knowledge of the latest security threats, worms, and malware and advise on how to deter them;
• Ability to reliability of the network through the above actions;
• Extensive experience in developing strategic systems architecture plans
• Experience with Storage infrastructure (NetApp Storage) and technologies include virtualization/arrays, FC/FCOE, NFS, ISCSI.
li>Configuring and tuning security capabilities including Threat Prevention, intrusion prevention system/intrusion detection system (IPS/IDS), Anti-Spyware, Antivirus, WildFire, Domain Name System (DNS) Security, and Secure Sockets Layer/Transport Layer Security (SSL/TLS) decryption policies. This role supports the design, deployment, and optimization of Zscaler capabilities across complex enterprise environments, helping organizations strengthen security posture, improve user access experiences, and enable secure transformation across on-premises and cloud ecosystems.
p>Peraton provides a secure, worldwide, high-performance communications network comprised of real-time interactive applications operating over a dedicated IP backbone with secure services for complex national and worldwide executive-level communications. Peraton provides the O&M of the network infrastructure and its components, integration for development of hardware and software solutions, and task support for the delivery of system, network, software, and security solutions.
The ideal candidate will have a strong background in network security, a passion for building secure systems, and proven leadership experience in managing engineering teams and design, implement, and maintain secure network infrastructures for and cloud environments. This role will also be involved in leading-edge expertise to manage critical incidents and problems, and deliver consistent and reliable network operations including DDI, Firewall, VPN and load balancing.
p>We are seeking a Network Security Architect to manage and lead various initiatives to assist our Solutions Consultants (SCs), Domain Consultants (SCs) and Enablement team by leveraging Artificial Intelligence (AI) and Public Cloud Service Providers (CSPs), focusing on deploying effective cloud security solutions to facilitate hands-on learning and experience. Collaborate closely with our lab engineers, providing the clear architectural vision they need to successfully scale your designs for use by hundreds of concurrent users, amplifying your impact across the organization.
Washington, DC21 days ago
p style="margin:0px">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. 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.
The role directly supports ENOCS delivery of 24/7/365 cybersecurity engineering, monitoring, threat detection, vulnerability management, incident support, and Defensive Cyberspace Operations - Internal Defensive Measures (DCO-IDM) across the DoDIN-Army-NG area of responsibility, while coordinating with SOC, cyber threat, defensive cyber, and network engineering personnel to improve enterprise defense. This position supports a mission environment that provides DoDIN services to more than 120,000 users and approximately 141,000 endpoints across about 2,800 sites in 54 states and territories, including support to Title 10 and Title 32 missions, mobilization readiness, domestic emergency response operations, and classified and unclassified network operations.
Washington, DC21 days ago
div>The pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is:
$91,300—$184,900 USD
What We Believe
As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. Accommodations made to facilitate the recruiting process are not a guarantee of future or continued accommodations once hired.
If you are being considered for employment opportunities with Accenture Federal Services and need an accommodation for a disability or religious observance during the interview process or for the job you are interviewing for, please speak with your recruiter.
Other Employment Statements
Applicants for employment in the US must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States.
Candidates who are currently employed by a client of Accenture Federal Services or an affiliated Accenture business may not be eligible for consideration.
Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. Proven experience with hands-on network engineer or architecture and understands network design, configurations, firewalls, VPNs, IDS/IPS, and load balancing.
Washington, Washington, DC6 days ago
Richardson%40noblis.org%7C309a71afca1f40dc9aa908dabb4489cd%7C3ce0b61c3e9d479085f1d44a713bf642%7C0%7C0%7C638028200281275809%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=hQ9reQUM7%2B3M%2FVAevbm4Z5DmwVOujxmj29YDvStTZZk%3D&reserved=0" rel="noopener nofollow noreferrer" target="_blank">Noblis ESI, and Noblis MSD tackle the nation's toughest problems and apply advanced solutions to our clients' most critical missions.
The analyst operates in a technical environment that includes integrated SIEM/C2C/DLP analytics, USIEM data sources, IDS/IPS, EDR, and coordination points across SOC, RCC-ARNG, NETCOM Global Cyber Center, and DISA DCDC to sustain continuous monitoring and secure enterprise operations. In this role, the candidate supports Task 3 - Cybersecurity Operations Support by maintaining network infrastructure that enables secure cybersecurity monitoring and mission operations across the DoDIN-Army-NG area of responsibility.
Certification(s)Preferred: AWS/Microsoft Solutions Architect, CCNP Security, PCNSE, or ZCCP • Masters Degree in Computer Engineering, Computer Programming, Computer Science, Computer and Information Science, Cybersecurity, Information Technology, Management Information Systems preferred • Designing and implementing modern network security architectures • Leading complex security projects from conception to completion • Mentoring and developing skilled cybersecurity teams • Communicating technical security concepts to executives and teams. • Bachelors Degree • 5 years of hands-on experience in network security, cybersecurity engineering, or security consulting, including practical implementation, configuration, troubleshooting, and management of security technologies such as firewalls, IDS/IPS, SIEM, endpoint security, and cloud security solutions.
Everforth ECS is seeking an Enterprise Support Network & Security Architect - Senior to work in Fairfax, Virginia. Design and oversee enterprise network and security architectures to support ARNG operations.
Washington, District of Columbia30+ days ago
Establish and maintain regular written and in-person communications with the organization’s executives, decision-makers, stakeholders, department heads, and end users regarding pertinent network activities. 3. Design company LANs, WANs, VMs, virtual networks, and wireless networks, including servers, routers, hubs, switches, UPSs, and other devices.
This role ensures the continuous availability, performance, and security of enterprise IT systems by leading a team responsible for network monitoring, incident management, and security threat response. To apply for this position, please submit your resume via the form below or through our careers page: https://www.metrostar.com/jobs/.
Washington, DC24 days ago
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, Master's degree and 1+ year of experience supporting IT projects and activities, or 7+ years of experience supporting IT projects and activities in lieu of degree. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Washington, Washington, DC5 days ago
Richardson%40noblis.org%7C309a71afca1f40dc9aa908dabb4489cd%7C3ce0b61c3e9d479085f1d44a713bf642%7C0%7C0%7C638028200281275809%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=hQ9reQUM7%2B3M%2FVAevbm4Z5DmwVOujxmj29YDvStTZZk%3D&reserved=0" rel="noopener nofollow noreferrer" target="_blank">Noblis ESI, and Noblis MSD tackle the nation's toughest problems and apply advanced solutions to our clients' most critical missions.
Washington, District of Columbia30+ days ago
li>Supporting the replacement, lifecycle management, and upgrade of networking equipment, including core, distribution, and access layer switches; routers; firewalls; and related hardware used across the agency’s network environment . Creating, maintaining, and improving detailed network diagrams for all agency systems, including logical network maps, physical connectivity diagrams, and system‑to‑system interfaces used by 911 and 311 operations.
Washington, District of Columbia30+ days ago
div>Job Description:
Key Responsibilities:
- Strategic Planning and Advisory:
o Develop and refine the organization’s cybersecurity strategy, ensuring alignment with overall business goals. We are currently working on Various projects such as media entertainment, ERP Solutions, data warehousing, Web Applications, Telecommunications and medical to our clients all over the world.
Washington, DC30+ days ago
Supporting the replacement, lifecycle management, and upgrade of networking equipment, including core, distribution, and access layer switches; routers; firewalls; and related hardware used across the agency’s network environment . The specialist develops and maintains detailed network documentation, including logical and physical diagrams, system interfaces, rack elevations, cabling records, and equipment inventories for 911 and 311 operations.
li style="text-align:justify"> Perform network traffic analysis using raw packet data, net flow, IDS, IPS, and custom sensor output for cybersecurity of communications networks. Key Responsibilities:
- Coordinate across the enterprise to ensure network security devices are monitored and generate alerts.
Washington DC, District of Columbia5 days ago
div>- Effectively communicates requirements and educates stakeholders in IT divisions on appropriate security design and technical configuration of related controls on IT platforms throughout their lifecycle,
- Works closely with IT project teams to develop implementation plans for new security-related products, Platforms and services.
- Extensive technical security experience across a broad range of core Azure services, including Microsoft 365 security controls, Entra ID, Microsoft Defender suite, Azure network security, and other key components of the Microsoft security ecosystem.
p>2021 - 2024, Top Workplaces USA award (Energage) 2017 - 2025 Top Workplaces Award, Greater Washington Area (The Washington Post) 2018 - 2025 Certified Great Workplace, Great Place to Work 2021 - 2025, Best Workplaces in Consulting & Professional Services 2021 Fortune Best Workplaces for Millennials 2018 Fortune, Great Place to Work: Best Place to Work for Diversity 2017, 2020 - 2025 Top Workplace Award, South Carolina (Greenville Business Magazine, Columbia Business Monthly, and Charleston Business Magazine) 2025 Corporate Partnership Award, Association of Fundraising Professionals, Maryland Chapter 2025 Moxie Award, GovCon Category 2024 Patriot Award, Employer Support of the Guard and Reserve (ESGR), Department of Defense 2022 Freedom Award, Employer Support of the Guard and Reserve (ESGR), Department of Defense 2018, Above & Beyond Award, Employer Support of the Guard and Reserve (ESGR), Department of Defense. The on-site Network Engineer shall perform the following minimum duties:
• Assisting the System Administrators • Assisting the Lead Network Engineer in developing and implementing IT/network plans • Managing network operations using simple network management protocol (SNMP) network management tools • Diagnosing and troubleshooting network problems with network protocol capture/decode analyzers • Planning and building network from open system interconnect (OSI) Layer 1 through Layer 3 • Managing TCP/IP internetworking connectivity to include addressing and subnetting • Monitoring network as defined in the network monitoring plan • Installing, configuring, updating and documenting the physical cable plant • Installing, configuring and managing networking hardware (switches, bridges, hubs, concentrators, transceivers) • Installing, configuring and managing network security (firewalls, IP blocking) • Configuring and managing virtual private networks (VPNs).
p>Outside of this core tenet, our expectation is to attract, recruit and attain resources who have a desire to focus not only on traditional on-premise solutions, but also to be looking to career, technology and skill advancement by being actively willing to demonstrate skills and ability to learn new technologies including multiple SDN solutions, network security, load balancing, edge / acceleration, and cloud technologies. The AHEAD Senior Specialty Solutions Engineer - Network, will be focused on the core tenets of Network and Network Security related solutions for AHEAD prospects and customers including a broad range of technologies.
Maintain and support connectivity of development and production environments consisting of Microsoft Windows Server, various on-premises storage systems, cloud connectivity at AWS and Microsoft Azure, and various VMWare VPN solutions. Extensive experience with monitored and maintained network and system health using tools such as WhatsUp Gold, Nagios, and ServiceNow to detect issues, generate alerts, and support incident management for enterprise infrastructure.
Washington, District of Columbia30+ days ago
Celestial Innovations Group (CIG) is seeking an experienced Palo Alto Networks Professional Services Consultant to support our growing federal and government client portfolio.
Work-Life Balance: We prioritize the well-being of our team members, ensuring a healthy work-life balance through flexible working conditions, continuous learning opportunities, and a supportive work environment.
Washington, DC30+ days ago
In this role, you will serve as a trusted security advisor and hands-on technical lead, designing and implementing cutting-edge network and cloud security solutions for civilian, defense, and intelligence community agencies. You will work closely with CIG's delivery team and government stakeholders to ensure that security architectures meet the stringent requirements of federal compliance frameworks including FedRAMP, FISMA, NIST SP 800-53, and CMMC.