Senior Network Security Engineer Jobs in District of Columbia

101 - 120 of 649 Jobs

Information System Security Engineer (ISSE) Senior Level(Government)Job Title - Information System Security Engineer (ISSE) Senior Level(Government)

AT&T Inc.Company Name - AT&T Inc.

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Chantilly, Virginia, USA

Full-time

Job Description: This position requires office presence of a minimum of 5 days per week and is only located at customer's site. No relocation is offered. AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our cus

IAM Security EngineerJob Title - IAM Security Engineer

Software Guidance & AssistanceCompany Name - Software Guidance & Assistance

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Rockville, Maryland, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a IAM Security Engineer (Google Cloud Platform)for a Contract assignment with one of our premier Regulatory clients in Rockville, MD. Candidate must be in the DMV area. This role is hybrid (2 days/week Oniste until September; 3 days/week Onsite starting September). Responsibilities : IAM Architecture: Help design, implement, and maintain permissions within Google Cloud Platform and related IAM components, including federated id

Senior DLP Security EngineerJob Title - Senior DLP Security Engineer

Solution Partners, Inc.Company Name - Solution Partners, Inc.

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Washington, District of Columbia, USA

Full-time

We're searching for a Senior DLP Security Engineer. This will be a permanent salaried opportunity. Hybrid with 20% in office. As a Senior Security Engineer, you will collaborate with Architects and key stakeholders to interpret and implement engineering and operational guidance within a specific security domain or program. You will contribute to multiple projects, leading the creation of comprehensive roadmaps for various projects or departments. Data Domain: Experience building, testing, implem

IAM Security EngineerJob Title - IAM Security Engineer

ConsultNet, LLCCompany Name - ConsultNet, LLC

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Rockville, Maryland, USA

Full-time

Title: IAM Security Engineer, Google Cloud Platform Location : Rockville, Maryland Target Start Date : August 15, 2025 Type: contract Pay Rate: DOE We are seeking a talented IAM Security Engineer specializing in the Google Cloud Platform (Google Cloud Platform). The ideal candidate will have strong technical skills, excellent communication and leadership skills, and experience with cloud security and Identity and Access Management (IAM). Responsibilities: IAM Architecture: Help design, implemen

Network EngineerJob Title - Network Engineer

LeidosCompany Name - Leidos

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Ashburn, Virginia, USA

Full-time

Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC) is a US Government program responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, various cloud environments, security

Product Engineer II - National SecurityJob Title - Product Engineer II - National Security

EsriCompany Name - Esri

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Vienna, Virginia, USA

Full-time

Overview Join Esri's Tyson R&D Center and help us advance our cutting-edge intelligence National Security System for customers around the globe. We are looking for a skilled product engineer who is passionate about developing customer-driven products to help our customers succeed. You will collaborate with development teams, product engineers, and designers to optimize ArcGIS desktop, server, and web technologies and develop integrated capabilities within a larger system, empowering national de

Information Security Snr ManagerJob Title - Information Security Snr Manager

Oracle CorporationCompany Name - Oracle Corporation

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Reston, Virginia, USA

Full-time

Job Description Job Description Information Security Sr. Manager - Offensive Security Oracle Cloud Infrastructure Group (United States) The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security t

AWS Security EngineerJob Title - AWS Security Engineer

Advance Digital SystemsCompany Name - Advance Digital Systems

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Washington, District of Columbia, USA

Contract

We are seeking an experienced AWS Security Engineer is responsible for designing, implementing, and maintaining secure cloud architectures in AWS while ensuring continuous compliance with federal cybersecurity policies and frameworks. This hybrid role includes supporting cloud security engineering as well fulfilling the duties of an Information System Security Officer (ISSO) to support Authorization to Operate (ATO) activities, security documentation, and ongoing system monitoring. Position Resp

Security Network Engineer - 100% Remote (USA) - Only W2 - No third PartyJob Title - Security Network Engineer - 100% Remote (USA) - Only W2 - No third Party

Intellisoft TechnologiesCompany Name - Intellisoft Technologies

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Remote

Contract

Job Title : Security Network Engineer Location : 100% Remote (USA) Job Type : W2 Contract 12+ Months VisaType : Only Independent candidates (No Third Parties) Job Summary: About the Role: We are seeking a highly skilled Security Network Engineer with a strong background in cloud infrastructure, firewall engineering, and network security autor Palo Alto Networks technologies, AWS networking, and tools like Terraform, Ansible, and Python for automating secure network deployments. You will play

Security EngineerJob Title - Security Engineer

ManTechCompany Name - ManTech

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Herndon, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Security Engineer to join our team in Herndon, VA. We are searching for a highly skilled Security Engineer to design, implement, and maintain secure environments that align with compliance standards in support of a high priority mission at one of our National Intelligence Customers. This role requires an individual with a strong technical foundation in cybersecurity, a deep understanding of federal security frameworks, and a proactive appro

Security EngineerJob Title - Security Engineer

ManTechCompany Name - ManTech

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Herndon, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Security Engineer to join our team in Herndon, VA. The Security Engineer will design, implement, and maintain secure environments that align with compliance standards in support of a high priority mission at one of our National Intelligence Customers. This role requires an individual with a strong technical foundation in cybersecurity, a deep understanding of federal security frameworks, and a proactive approach to protecting mission-criti

Sr Capture Manager - Cyber and Analytics, National Security SectorJob Title - Sr Capture Manager - Cyber and Analytics, National Security Sector

LeidosCompany Name - Leidos

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Columbia, Maryland, USA

Full-time

Description The Leidos Cyber & Analytics Business Area within the National Security Sector is seeking a qualified Senior Capture Manager to lead the pursuit of cyber and related opportunities. The Senior Capture Manager will have the opportunity to drive critical wins in this exciting growth area for the corporation. The Senior Capture Manager is responsible for the capture leadership of assigned opportunities in support of the cyber growth strategy. The Senior Capture Manager must thrive in an

IBM Security Access Manager (SAM) / Middleware EngineerJob Title - IBM Security Access Manager (SAM) / Middleware Engineer

International Logic Systems, Inc. (ILS)Company Name - International Logic Systems, Inc. (ILS)

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Remote or Fairfax, Virginia, USA

Full-time

ILS Inc. is seeking an experienced Middleware Engineer with strong expertise in IBM Security Access Manager (ISAM) and Application Server administration to support a secure, enterprise-level federal environment. The ideal candidate will be responsible for the configuration, integration, maintenance, and troubleshooting of middleware technologies, ensuring availability, scalability, and security compliance. Must be able to be W2 employee; no C2C. ResponsibilitiesInstall, configure, and manage IBM

Senior Product Security Engineer, Electronic Warfare - Active ClearanceJob Title - Senior Product Security Engineer, Electronic Warfare - Active Clearance

Aduril IndustriesCompany Name - Aduril Industries

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Reston, Virginia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Senior Information Systems Security Officer 15k Sign on BonusJob Title - Senior Information Systems Security Officer 15k Sign on Bonus

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Information Systems Security Officer (ISSO) in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits Leidos Pay and Benefits, including 4 or more weeks Paid Time Off,

Sr. Cloud Security ArchitectJob Title - Sr. Cloud Security Architect

Sriven Systems Inc.Company Name - Sriven Systems Inc.

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Washington, District of Columbia, USA

Full-time

Job Title: Architect Premium Sr. Security Architect (CISSP & Azure Cloud Implementation) Location: Washington, DC 20433 Duration: 12 Months Long Term Contract Need solid experience with Security Architecture, Azure Cloud, CISSP certification, API security, DevSecOps, IaC, AI/ML(plus to have). 15+ years of experience needed. Position Summary: We are seeking a highly experienced Security Architect with strong hands-on expertise in Azure Cloud Security, AI/ML technologies, and DevSecOps practices

Senior Security & Life Safety TechnicianJob Title - Senior Security & Life Safety Technician

LeidosCompany Name - Leidos

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Springfield, Virginia, USA

Full-time

Description The Multi-Domain Solutions (MDS) division at Leidos is seeking a Senior Security & Life Safety Technician who is responsible for supporting the planning, monitoring, and maintenance of life safety and security systems across all organizational facilities. This role ensures the optimal performance and compliance of fire detection, hazard monitoring, emergency egress, and fire suppression systems. The technician plays a key role in supporting outage response, system documentation, and

Information System Security Officer, SeniorJob Title - Information System Security Officer, Senior

SilverEdgeCompany Name - SilverEdge

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Maryland, USA

Full-time

Overview SilverEdge Government Solutions is seeking a Senior Information System Security Officer to assist the ISSMs in meeting their duties and responsibilities. Implement and enforce all DoD Information Systems and Platform IT system cybersecurity policies and procedures, as defined by cybersecurity-related documentation. Ensure that all users have the requisite security clearances and access authorization and are aware of their cybersecurity responsibilities for DoD IS and PIT systems under

Information Security System Engineer (ISSE)Job Title - Information Security System Engineer (ISSE)

BEAT LLCCompany Name - BEAT LLC

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Fort Belvoir, Virginia, USA

Full-time

BEAT is looking for a Security Engineer/Architect. Candidate will be required to understand and document a systems design and implementation that encompass multiple enclaves, to include those with differing data protection/classification requirements. The candidate should understand distributed architectures and cloud-based systems for big data applications. Role is hybrid work on our customer site in Ft. Belvoir, VA. Essential Job Responsibilities Will create, review and edit authorization doc

Information Systems Security Officer (ISSO) Senior - TS/SCI w/PolyJob Title - Information Systems Security Officer (ISSO) Senior - TS/SCI w/Poly

JacobsCompany Name - Jacobs

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Fort Meade, Maryland, USA

Full-time

Your Impact: Are you searching for a professional environment that encourages personal and educational development and dedication to the mission? Join a team of security experts who are dedicated to protecting and securing our customers' systems at both the enterprise and program level. Our specialists work closely with others in the RMF process to ensure the highest level of security for every system. Amentum is seeking an Information Systems Security Officer (ISSO) Senior for a prime contrac