Network Security Engineer
ATR Inc
Sr. Network Security EngineerLocation: Alexandria, VA - Hybrid RemoteEligibility: Candidate must be eligible to be employed in the United StatesJob DescriptionAdvance your career while impacting our national security in cyber as a Sr. Network Security Engineer. Here, technologists have many paths to grow a meaningful career supporting cyber missions and operations across the federal government. Meaningful Work And Personal Impact As a Network Security Engineer Senior, the work you'll do will be impactful to the mission of the customer.Lead the design, configuration, and deployment of Cisco Identity Services Engine (ISE) for network access control.Manage and implement network access policies using Cisco Secure Client and Microsoft native supplicants for both wired and wireless authentication.Test and deploy posture assessment for endpoints to ensure compliance with security policies.Troubleshoot and resolve network access issues related to 802.1X authentication and posture assessment.Configure and manage network devices to enforce access control policies.Work closely with the network and security teams to ensure seamless integration of network access control solutions.Develop and maintain detailed documentation of configurations, processes, and procedures.Provide training and knowledge transfer to internal teams as needed.Stay up-to-date with the latest industry trends and technologies related to network access control and security.QualificationsWhat You'll Need To Succeed Bring your network security expertise and drive for innovation. The Network Security Engineer Senior must have:Bachelor's degree in Computer Science, Information Technology, or a related field.Minimum of 5 years of experience in network engineering and security, with a focus on network access control.Expertise in configuring and managing Cisco Identity Services Engine (ISE).Proficiency in using Cisco Secure Client and Microsoft native supplicants for 802.1X authentication.Experience with both wired and wireless network authentication and posture assessment.Strong understanding of network security principles and best practices.Excellent troubleshooting and problem-solving skills.Strong communication and documentation skills.Relevant certifications (e.g., CCNP, CCIE, JNCIP, JNCIE or other Cisco and Juniper security certifications) are preferred.Preferred Skills: Experience with other network access control solutions. Familiarity with endpoint security and compliance management. Knowledge of scripting and automation tools. Experience with Riverbed Profiler and analyzing NetFlow data is a plus.
- ...Description The Bureau of Diplomatic Security (DS) is the security and law enforcement... ...software applications and hardware for networks. Works with a laboratory focused local... ...master’s degree in computer science or engineering, or at least ten years of equivalent work...SuggestedTemporary workWork experience placementInterim roleWork at officeLocal area
$178.4k - $226.7k
AWS Security is on the innovation of many security issues for a wide variety of platforms... ...looking for a Sr. Application Security Engineer to help validate that our services, applications... ...an engineering team- Knowledge of networking protocols such as DNS, and TCP/...SuggestedInternshipFlexible hours$136k - $184k
The AppSec Security Engineer evaluates service design and architecture and performs deep-dive security assessments to ensure applications and services meet a high security bar before launch. This role works alongside senior engineers to identify issues, drive remediation...SuggestedInternshipFlexible hours$136k - $184k
...sensitive data. You will join a team that is replacing traditional security reviews with continuous automated evaluation and learning to... ...risks that matter most to customers with guidance from senior engineers. Help author and refine automated detection rules that catch...SuggestedInternshipFlexible hours$130k - $140k
.... Together We Grow – One Mission, One Team – With a Commitment to Serve Subsidiary: T&H Services Job Title: FRCS Network Security Engineer Work Location: Washington Navy Yard, Washington D.C. Labor Category: Full-Time | Exempt Travel Requirement: Up to...SuggestedFull timeContract workTemporary workFor contractorsLocal areaImmediate startFlexible hours$5,000 per month
...application due to a disability, contact this employer to ask for an accommodation or an alternative application process. Security Engineer C2H Virginia, Arlington, VA, US 30+ days ago Requisition ID: 1178 This position requires U.S. citizenship and an active...Work at office- ...Advanced Analytics, Artificial Intelligence/Machine Learning, Cyber Security and Cutting-Edge Technology across the US Government. Be a part... ...! Position Overview The SentinelOne Endpoint Security Engineer is responsible for the administration, management, and...Monday to FridayFlexible hours
$80k - $130k
...openings at different experience levels. Your work may focus on network defenses, security platforms, system hardening, access controls, or... ...Approximately 1–5 years of relevant experience in security engineering, network or systems engineering with a security focus, or...Full timeLocal area$82.6k - $162.8k
...our clients to operate with resilience, grow with confidence, and proactively manage to secure success.Recruiting for this role ends on 12/31/2026.Work you'll doAs a Security Engineer on the Deloitte Cyber team, you will be responsible for:Supporting the design and...Local areaVisa sponsorship- ...Description We are seeking a highly motivated and versatile Security Engineer to help build, establish, and mature our security... ...environment—Google Workspace, CrowdStrike (endpoint/EDR), cloud, and network—triage what matters, and drive issues to resolution. Tune tooling...Full timeWork at office
$110k - $160k
...military leaders with unprecedented access to secure enterprise data. As a Penetration Tester... ...penetration tests across applications, networks, and hybrid-cloud systems hosting... ...including network, web application, and social engineering assessments. Use a combination of...Full timeWork at office$88.6k - $147.6k
...complexity, we enable our clients to operate with resilience, grow with confidence, and proactively manage to secure success. Work You’ll Do As a Project Security Engineer II on the Cyber Identity Engineering team, you will... Designing, implementing, and supporting identity...Local area- ...invaluable edge in real estate. Evolve our security pentesting capabilities to test our... ...and demonstrate exploitability to engineering teams, security peers, and senior leadership... ...CI/CD pipelines. Working knowledge of network, system, and database administration concepts...Full timeWork at officeWork from homeMonday to Thursday
- ...Arlington, VA Must have an active Top Secret Security Clearance Node is supporting a U.S.... ...vulnerabilities Knowledge of basic networking protocols, including TCP/IP, UDP, SSH,... ...Education BS Computer Science, Computer Engineering, Computer Information Systems, Cybersecurity...
- ...penetration tests. Strong understanding of operating systems and networking protocols Strong understanding of how to identify and... ...Science in Computer Science, Information Technology, Information Security, Cybersecurity or related field Minimum of 5 years'...
$165k - $200k
...contractor, is seeking a highly experienced Information Systems Security Engineer (ISSE) to support Red Hate Enterprise Linux systems in a... ...Demonstrated security engineering experience across Linux, Cisco networking, databases (SQL or Oracle), and virtualized environmentsPay...For contractorsWork experience placementRelocation package- ...skills include a strong understanding of operating systems and networking protocols, strong understanding of how to identify and exploit... ...in Computer Science, Information Technology, Information Security, Cybersecurity or related field. Certifications (required):...
- ...services and solutions in: National Security Programs Professional, Administrative... ...Contingent Position Title: Security Engineer (Mobile) Location:Arlington, VA Security... ...of new mobile devices to the TSA Network Infrastructure. Become familiar with...Full timeFor contractors
$95k - $135k
...Experience: 4+ years of relevant experience. Security Clearance Requirement: Must have Active... ...by solving complex operational and engineering challenges. We are seeking a motivated,... .... Perform system security and network analysis across Unclassified, Secret, and...Full timeTemporary workInterim roleWork at officeLocal areaRemote workFlexible hours- ...assist in implementing and supporting cloud security protocols, infrastructure automation,... ...the operational status of Zero Trust Network Access tools (e.g., Zscaler ZPA / Prowler... ...least privilege principles under senior engineer oversight. Execute, test, and troubleshoot...
$120k - $180k
...impact Reporting to the Electrical Group Lead, the Electrical Engineer is responsible for the coordination, development, and production... ...the things you care about. Your health. Your well-being. Your security. Your future. Employees have access to medical, dental, vision,...Full timeWork at officeLocal areaRemote workOverseas2 days per week$130k - $135k
...Position Description Valiant Solutions is seeking a Network Security Engineer to join our rapidly growing and innovative cybersecurity team! Valiant Solutions is seeking a Network Security Engineer to deploy and operate the Network Access Control and perimeter...Full timeContract workTemporary workFor contractorsWork at office$107.9k - $195.05k
...an exciting opening for you as our next TS/SCI cleared Cyber Security Engineer supporting a long-term DIA-NDOC DOMEX Technology Platform (... ...security controls to Generative AI implementations Prior network engineering experience #NMECDTP-ALL #ASBA If you're...Contract workInterim roleLocal areaImmediate startRemote workFlexible hours$160k - $185k
MTSI is seeking a Cyber Operations Engineer/SME supporting a Navy customer in Arlington,... ...capabilities.Work is performed on-site in secure government facilities. Travel to CONUS... ...evaluate complex software, firmware, or networked components; develop proof-of-concept exploits...Contract work- ...The DC Office of the Chief Financial Officer (OCFO) needs a Senior Network Security Engineer to support the design, implementation, operation, and security of the OCFO network and its security infrastructure: configuring and securing network appliances, defending the perimeter...Work at officeLocal areaRemote work
- ...Network Security EngineerBDR Solutions, LLC, (BDR) supports the U.S. Federal Government in successfully achieving its mission and goals. Our... ...and deployments. BDR is seeking a Network Security Engineer to join our growing team! This position will be performed as...Remote work
- ...We are seeking a Senior Security Engineer with experience in Network, SaaS, and AI Security to help evolve and safeguard CoStar’s enterprise security posture across network infrastructure, cloud services, SaaS platforms, and emerging AI systems. This role expands...Full timeWork at officeWork from homeMonday to Thursday
$140k - $155k
...This position is located in the Network Engineering and Operations (Networking) Directorate, House Information Resources (HIR), Office of the... ...Strategy and Planning; Information Systems/Network Security; Information Technology Support; Knowledge of Emerging Trends...Contract workWork experience placementWork at officeLocal area- ...Sr. Network Security Engineer II The contractor is responsible for the planning, analysis, design, development, testing, quality assurance, configuration, installation, implementation, integration, maintenance, and/or management of networked systems used for the transmission...For contractorsLocal area
$107.9k - $195.05k
...information and/or position overview. Leidos is seeking a Senior Security Engineer to serve as the technical lead for day-to-day security... ...Coordinate vulnerability remediation across Windows, Linux, network, desktop support and other engineering teams and provide...Work experience placementLocal areaImmediate start
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