Network security Jobs in District of Columbia

701 - 720 of 1,119 Jobs

Site Security AnalystJob Title - Site Security Analyst

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

Description Job Description We are seeking a detail-oriented and proactive Security Analyst to join our team. The Security Analyst will play a vital role in safeguarding classified information and ensuring strict adherence to established security procedures and federal regulations. The successful candidate will support the enforcement of security Standard Operating Procedures (SOPs), collaborate with government site security personnel, and oversee the protection and management of sensitive and

Information Systems Security Manager (ISSM) 2 - TS/SCI w/PolyJob Title - Information Systems Security Manager (ISSM) 2 - TS/SCI w/Poly

JacobsCompany Name - Jacobs

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Fort Meade, Maryland, USA

Full-time

Your Impact: We are seeking an Information Systems Security Manager (ISSM) 2 for a prime contract that is based out of our Columbia, MD office. Responsibilities: Provide management support for a program, organization, system, or enclave's Information Assurance program. Provide management support for proposing, coordinating, implementing, and enforcing Information System Security policies, standards, and methodologies. Manage operational security posture for an Information System or program to

AppSec engineer with SecDevOps focus, Remote in the U.S.Job Title - AppSec engineer with SecDevOps focus, Remote in the U.S.

Cisco Systems, Inc.Company Name - Cisco Systems, Inc.

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Remote

Full-time

Applications are accepted until further notice. It's Magic Some say magic's not real. Others call it a trick. But we know better. Magic is created by the energy and passion of our employees, who shape our dynamic community and empower us to problem-solve for our customers. We see magic unfold when complex challenges become intuitive, technology functions seamlessly, and everyone is valued for who they are. Our Culture Through our intuitive platform, we empower organizations of all sizes to del

Security Engineer, Threat IntelligenceJob Title - Security Engineer, Threat Intelligence

Dropbox IncCompany Name - Dropbox Inc

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Remote

Full-time

Role Description Dropbox Threat Intelligence leverages data-driven insights to understand and counteract potential threats to Dropbox and its users. By analyzing attack patterns and threat actors, we provide actionable intelligence that supports the business in fortifying defences and enhancing security resilience. In this role you will investigate critical threats to Dropbox and our customers, profiling threat actors and uncovering the actions, techniques and objectives of these malicious acto

Program Security Officer - Clearance RequiredJob Title - Program Security Officer - Clearance Required

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2507076 Location: CHANTILLY, VA, US Date Posted: 2025-07-31 Category: Security Subcategory: Security Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description Who We Are and What We Do: SAIC Security professionals support a collective of over 24,000 employees extending across 20 countries. Our employees are our core, bolstered by 15,000 clearances

Staff Information Security EngineerJob Title - Staff Information Security Engineer

ServiceNow, Inc.Company Name - ServiceNow, Inc.

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Remote or Atlanta, Georgia, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi

Staff Information Security EngineerJob Title - Staff Information Security Engineer

ServiceNow, Inc.Company Name - ServiceNow, Inc.

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Remote or Addison, Texas, USA

Full-time

Staff Information Security EngineerJob Title - Staff Information Security Engineer

ServiceNow, Inc.Company Name - ServiceNow, Inc.

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Remote or West Palm Beach, Florida, USA

Full-time

Staff Information Security EngineerJob Title - Staff Information Security Engineer

ServiceNow, Inc.Company Name - ServiceNow, Inc.

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Remote or San Diego, California, USA

Full-time

Microsoft365 Identity and Access Management (IAM) and Security EngineerJob Title - Microsoft365 Identity and Access Management (IAM) and Security Engineer

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Rockville, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: NACI (T1) Job Family: Cloud Job Qualifications: Skills: Cloud Development, Cloud Infrastructure, Cloud Solutions, Microsoft Applications, Microsoft Platforms Certifications: None Experience: 8 + years of related experience ship Required: No Job Description: GDIT is hiring a Microsoft365 Identity & Access Management (IAM) and Security Engineer

Senior Software and System ArchitectJob Title - Senior Software and System Architect

NVIDIA CorporationCompany Name - NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

NVIDIA has been transforming computer graphics, PC gaming, and accelerated computing for more than 25 years. It's a unique legacy of innovation that's fueled by great technology-and amazing people. NVIDIA is looking for an experienced Senior Software and System Architect to join our Networking Software Architecture group. Nvidia's Architecture group consists of world-class architects responsible for crafting the next generation state-of-the-art architecture for our DPUs & NICs technologies. The

SAP Security ConsultantJob Title - SAP Security Consultant

Accenture LLPCompany Name - Accenture LLP

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Washington, District of Columbia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

Microsoft365 Identity and Access Management (IAM) and Security EngineerJob Title - Microsoft365 Identity and Access Management (IAM) and Security Engineer

General DynamicsCompany Name - General Dynamics

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Rockville, Maryland, USA

Full-time

Systems EngineerJob Title - Systems Engineer

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for System Engineer for our HUD proposal. The System Engineer implements computer system requirements by defining and analyzing system problems; designing and testing standards and solutions. This position is a fully remote position. Responsibilities Coordinates the planning, design, and installation of equipment, using knowledge of engineering and programming as well as sophisticated instruments and computers Participates in system conceptual design and do

Systems Administrator - Linux/WindowsJob Title - Systems Administrator - Linux/Windows

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview Provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is hybrid with periodic customer site work activities. Must be willing to work nights, have a Security+ certification, and an active Top Secret clearance. Responsibilities Position Description: In this role you will: Pr

Information System Security EngineerJob Title - Information System Security Engineer

Navigant ConsultingCompany Name - Navigant Consulting

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Annapolis, Maryland, USA

Full-time

Job Family: Technology Consulting Travel Required: Up to 10% Clearance Required: Active Top Secret SCI with Polygraph What You Will Do: Design, implement, and maintain security solutions for classified and air-gapped environments.Conduct risk assessments and vulnerability analyses to ensure system integrity.Develop and enforce security policies, procedures, and standards.Collaborate with cross-functional teams to integrate security into infrastructure and application development.Support RMF (

Senior Systems Security EngineerJob Title - Senior Systems Security Engineer

SAICCompany Name - SAIC

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Alexandria, Virginia, USA

Full-time

Job ID: 2507174 Location: ALEXANDRIA, VA, US Date Posted: 2025-07-01 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is hiring a Senior Systems Security Engineer with an active TS/SCI clearance to participate in Independent Technical Risk Assessments (ITRA) and Program Protection Plan () reviews to

Senior Security Engineer, Endpoint SecurityJob Title - Senior Security Engineer, Endpoint Security

Snowflake Inc.Company Name - Snowflake Inc.

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Remote or Menlo Park, California, USA

Full-time

Where Data Does More. Join the Snowflake team. Responsible for designing, implementing, and maintaining endpoint security solutions with a specific emphasis on browser security. Leads efforts to identify vulnerabilities, implement remediation strategies, and ensure compliance with security policies and regulations. Performs security assessments of company products that may include vulnerability and risk assessments, threat analysis, and security code reviews to identify potential design and imp

Cyber Security Operations ManagerJob Title - Cyber Security Operations Manager

Viasat, Inc.Company Name - Viasat, Inc.

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Remote

Full-time

About us One team. Global challenges. Infinite opportunities. At Viasat, we're on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We're looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team. What you'll do Become a leader in our mission to connect the world securel

Computer Security Engineer -02122Job Title - Computer Security Engineer -02122

Syneren TechnologiesCompany Name - Syneren Technologies

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Alexandria, Virginia, USA

Full-time

Job Description: Syneren is currently seeking a Computer Security Engineer. Job Location: Alexandria (onsite) Key Responsibilities: Manage and maintain the Cybersecurity infrastructure (ACAS, Trellix, Sentinel, Defender for Cloud, ForeScout), including policy configuration, deployment, and monitoring. Administer and configure ACAS (Nessus) to perform vulnerability scanning, compliance assessments, and reporting across the enterprise. Monitor, analyze, and respond to cybersecurity threats and inc