Senior Network Security Engineer Jobs in District of Columbia

341 - 360 of 641 Jobs

Target Digital Network AnalystJob Title - Target Digital Network Analyst

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Fort Meade, Maryland, USA

Full-time

Job Number: R0223464 Target Digital Network Analyst The Opportunity: Do you have strong analytic skills and a problem-solving mindset? Are you looking for an opportunity to use those skills to support our warfighters, protect our national security, and inform our nation's leaders? As a network and access discovery analyst, you will use your spe cia lized te chn ical experience to support cyberspace operations and intelligence collection to enable the success of mission owners. As a target digita

Information System Security Officer (ISSO) MID-LEVEL (Government)Job Title - Information System Security Officer (ISSO) MID-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 in the location(s) posted. 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

Remote Cybersecurity Engineer (API/Web App Security)Job Title - Remote Cybersecurity Engineer (API/Web App Security)

Software Guidance & AssistanceCompany Name - Software Guidance & Assistance

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Remote or Jacksonville, Florida, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a Remote Cybersecurity Engineer (API/Web App Security) for a CONTRACT assignment with one of our premier Healthcare Services clients for a Remote position. Top Skills Needed: Azure/Entra ID Scripting (Powershell or Python) API Security frameworks OWASP top 10 Responsibilities: We are seeking an experienced Cyber Security Engineer to join our team, responsible for ensuring the security of our applications and APIs. This role w

Information Systems Security Officer AssociateJob Title - Information Systems Security Officer Associate

SAICCompany Name - SAIC

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Arlington, Virginia, USA

Full-time

Job ID: 2507975 Location: ARLINGTON, VA, US Date Posted: 2025-07-31 Category: Cyber Subcategory: Cyber GRC Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: No Description SAIC's Corporate Security Team is looking for an Associate ISSO supporting our team in Arlington, Virginia. The Associate Information Systems Security Officer (ISSO) will have responsibility for supporting th

Ping Security Engineer SiteMinder | 100% Remote | W2 OnlyJob Title - Ping Security Engineer SiteMinder | 100% Remote | W2 Only

TekDallasCompany Name - TekDallas

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Remote

Contract

Ping Security Engineer Healthcare Client 100% Remote 12+ Month Contract only W2 Must Haves 10+ years of total IT experience.Experience working in an IAM / Security in large enterprise environmentApplication Migration Experience to PingPing Engineering Experience About: Our client is seeking a Ping Security Engineer for their IAM Ops/Support Team. This person will mostly be working on the Ping Support Side/Production Support, working in tandem with an Engineering Team.This group has 2 major app

Cloud Solution Architect - Data SecurityJob Title - Cloud Solution Architect - Data Security

Microsoft CorporationCompany Name - Microsoft Corporation

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Washington, District of Columbia, USA

Full-time

Join Microsoft's US Public Sector Industries DIB Team-where mission meets innovation. The Defense Industrial Base (DIB) Operating Unit (OU) is a newly formed team with a bold mission: to consolidate, simplify, and accelerate Microsoft's presence across the DIB landscape. This expansive network includes over 100,000 organizations specializing in manufacturing, aviation, cybersecurity, and more-all united in their support of all Federal Agencies, including the U.S. Department of Defense and other

Information System Security Officer - MidJob Title - Information System Security Officer - Mid

JacobsCompany Name - Jacobs

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Washington, District of Columbia, USA

Full-time

As a Top Secret cleared Information Systems Security Officer you will be working in an organization that's mission is to develop and operate the best possible software for critical national security enterprise applications. This organization leverages SCRUM and SAFE Agile software development methodology and strong Dev Ops practices. You will be responsible for technical information assurance engineering efforts with network/server scanning, patching, mitigation, and compliance cross-checking o

Information Security Engineer III, Application and Cloud Security LeadJob Title - Information Security Engineer III, Application and Cloud Security Lead

Mass General BrighamCompany Name - Mass General Brigham

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Remote or Somerville, Massachusetts, USA

Full-time

Site: Mass General Brigham Incorporated Mass General Brigham relies on a wide range of professionals, including doctors, nurses, business people, tech experts, researchers, and systems analysts to advance our mission. As a not-for-profit, we support patient care, research, teaching, and community service, striving to provide exceptional care. We believe that high-performing teams drive groundbreaking medical discoveries and invite all applicants to join us and experience what it means to be par

IT Security SpecialistJob Title - IT Security Specialist

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

IT Security Specialist LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a detail-oriented and dedicated IT Security Specialist to join our team and safeguard our organization's digital assets. In this role, you will be responsible for identifying and mitigating security risks, implementing best practices, and ensuring the integrity and confidentiality of sensitive information. The ideal candidate will

Information Systems Security Officer (ISSO)Job Title - Information Systems Security Officer (ISSO)

LeidosCompany Name - Leidos

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Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a 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, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match

Information Systems Security Manager - TS/SCI with PolygraphJob Title - Information Systems Security Manager - TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

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Bethesda, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Cloud:Amazon Web Services (AWS), Plan of Action and Milestones (POA&M), RMF, Xacta (Platform) Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a person

Information System Security OfficerJob Title - Information System Security Officer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0223246 Information System Security Officer The Opportunity: Are you looking for an opportunity to share your experience in information system security to safeguard our nation? As an information system security engineer, you can identify the system security needed to assess vulnerabilities and recommend the best solution and security strategy. We need your experience to lead the implementation of a cross-domain system that will secure the enterprise. In this role, you'll use your kn

Senior Exploitation AnalystJob Title - Senior Exploitation Analyst

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

•

Maryland, USA

Full-time

Job Number: R0221509 Exploitation Analyst, Senior The Opportunity: Do you have strong analytic skills and a problem-solving mindset? Are you looking for an opportunity to use those skills to support our warfighters, protect our national security, and inform our nation's leaders? As a network and access discovery analyst, you will use your spe cia lized te chn ical experience to enable cyber space operations and intelligence collection to enable the success of mission owners. As an analyst on ou

Information Systems Security Manager - TS/SCI with PolygraphJob Title - Information Systems Security Manager - TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Bethesda, Maryland, USA

Full-time

Cloud Solution Architect AI Security / Cross WorkloadJob Title - Cloud Solution Architect AI Security / Cross Workload

Microsoft CorporationCompany Name - Microsoft Corporation

•

Washington, District of Columbia, USA

Full-time

Information Systems Security Manager - TS/SCI with PolygraphJob Title - Information Systems Security Manager - TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

•

Bethesda, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Cloud: Amazon Web Services (AWS), Plan of Action and Milestones (POA&M), RMF, Xacta (Platform) Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a pers

Software Engineer Technical Leader - Security, Detection LifecycleJob Title - Software Engineer Technical Leader - Security, Detection Lifecycle

Splunk Inc.Company Name - Splunk Inc.

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Colorado, USA

Full-time

Description Splunk, a Cisco company, is building a safer and more resilient digital world with an end-to-end full stack platform made for a hybrid, multi-cloud world. Leading enterprises use our unified security and observability platform to keep their digital systems secure and reliable. Our customers love our technology, but it's our caring employees that make Splunk stand out as an amazing career destination. No matter where in the world or what level of the organization, we approach our wor

Associate Product Security EngineerJob Title - Associate Product Security Engineer

Rockwell AutomationCompany Name - Rockwell Automation

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Remote

Full-time

Rockwell Automation is a global technology leader focused on helping the world's manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers - amazing companies that help feed the world, provide life-saving medicine on a global scale, and focus on clean water and green mobility - our people are energized problem solvers that take pride in how the work we do changes the world

Digital Network Exploitation AnalystJob Title - Digital Network Exploitation Analyst

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0221518 Digital Network Exploitation Analyst The Opportunity: Do you have strong analytic skills and a problem-solving mindset? Are you looking for an opportunity to use those skills to support our warfighters, protect our national security, and inform our nation's leaders? As a network and access discovery analyst, you will use your spe cia lized technical experience to support cyberspace operations and intelligence collection to enable the success of mission owners. As a digital

IT Security Analyst 4Job Title - IT Security Analyst 4

Oracle CorporationCompany Name - Oracle Corporation

•

Reston, Virginia, USA

Full-time

Job Description Oracle is seeking a highly motivated and career-oriented Information System Security Officer (ISSO) with a TS/SCI w/poly clearance to join our team Government Security Team supporting government clients. The position will be located in the Reston, VA area. Responsibilities Must currently hold and have the ability to maintain a TS/SCI with Poly clearance. Job Responsibilities: Support the security authorization process, including documentation and compliance reviews and assessm