Senior Network Security Engineer Jobs in District of Columbia

281 - 300 of 659 Jobs

Security Authority to Operate (ATO)-Tools/AZURE-IL5 /IL6- DC Metro AreaJob Title - Security Authority to Operate (ATO)-Tools/AZURE-IL5 /IL6- DC Metro Area

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Cybersecurity, Information Security, Information Technology Security, System Security Certifications: None Experience: 10 + years of related experience ship Required: No Job Description: Information Security Analyst Advisor (Azure Security Senior Engineer) Your Impact Own

System Security EngineerJob Title - System Security Engineer

DraperCompany Name - Draper

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Remote or Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas

Senior Application Security EngineerJob Title - Senior Application Security Engineer

M&T BANK CORPORATIONCompany Name - M&T BANK CORPORATION

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Remote or Wilmington, Delaware, USA

Full-time

This role offers a hybrid work schedule at our Wilmington, DE Tech Hub. Overview: Responsible for capturing and refining information security requirements and ensures their integration into information technology component products and information systems through purposeful security design or configuration. Provides advanced working guidance to technology teams and leadership in the areas of secure coding, application authentication, encryption, and quickly research and become competent in other

Senior Privileged Access Management(PAM) Security Engineer - C14Job Title - Senior Privileged Access Management(PAM) Security Engineer - C14

CitiCompany Name - Citi

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Remote or Irving, Texas, USA

Full-time

About Citi: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemic

Security Engineer (Development)Job Title - Security Engineer (Development)

Sayers Technology Holdings, IncCompany Name - Sayers Technology Holdings, Inc

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Remote

Full-time

Seeking an accomplished and dynamic security engineer with a strong background in programming and process enhancement to enhance our security management and compliance. The candidate will be responsible for analyzing security requirements, enhance security integration in SDLC to ensure secure application development, and develop security software to automating security processes to improve overall security compliance status. This role requires strong knowledge of security best practices to proac

Senior Product Security EngineerJob Title - Senior Product Security Engineer

Rockwell AutomationCompany Name - Rockwell Automation

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Remote or Mayfield Heights, Ohio, USA

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

Senior Product Security Engineer Researcher - Reverse EngineerJob Title - Senior Product Security Engineer Researcher - Reverse Engineer

Request Technology, LLCCompany Name - Request Technology, LLC

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Remote

Full-time

No SPONSORSHIP Senior Product Security Engineer SALARY: $180,000 - 220,000 plus 10% plus pre-IPO stock options LOCATION: remote Looking for a Security researcher proficient in reverse engineer. Experience in analyzing malware understanding of cryptography user in ransomware ability to develop tools to augment existing capabilities endpoint hardening and testing. Join a team of cyber Security Engineers focused on building products and solutions for mid-market and enterprise customers. We deliver

(USA) Principal, Software Engineer, Information SecurityJob Title - (USA) Principal, Software Engineer, Information Security

Walmart Inc.Company Name - Walmart Inc.

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Remote or Bentonville, Arkansas, USA

Full-time

Position Summary What you'll do About the Role As a Principal Software Engineer on our AI Security team, you will be a hands-on technical leader helping shape how we build, secure, and scale AI systems across the company. You will review and evolve our AI security standards, assess internal AI projects, and apply your deep technical background and threat landscape awareness to drive meaningful improvements to our security posture. This role requires a unique blend of security expertise, syst

Senior Security AnalystJob Title - Senior Security Analyst

Tekfortune Inc.Company Name - Tekfortune Inc.

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Remote

Contract

Job Title: Senior Security Analyst Location: Remote Job Description: Candidate must have experience in Azure cloudMin Experience required - 10yrExpertise level on cloud knowledge should be 40% and Firewall knowledge should be 60%Expertise on PALO ALTO FirewallExpertise on load balancer (WAF)

Mainframe Security EngineerJob Title - Mainframe Security Engineer

ApTaskCompany Name - ApTask

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Remote

Contract, Third Party

Role: Mainframe Security Engineer Role Address: Alpharetta, GA Duration: 3 years Contract The Mainframe Computing Security team is responsible for engineering and managing various mainframe authentication and authorization systems. This position is for a senior engineer in Tooling and Project team responsible to design and execute projects aligned to TopSecret security products and other platform integration solutions. The ideal candidate will be working closely with other infrastructure team

SkillBridge Cyber/IT Security Intern (Transitioning Military)Job Title - SkillBridge Cyber/IT Security Intern (Transitioning Military)

American Systems CorporationCompany Name - American Systems Corporation

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Arlington, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities As a SkillBridge Cyber/IT Security Intern with AMERICAN SYSTEMS you will have the opportunity to do the following. We have availability to bring on an intern starting in October 2025. Conduct periodic system ass

Security EngineerJob Title - Security Engineer

Pax8Company Name - Pax8

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Remote or Greenwood Village, Colorado, USA

Full-time

Pax8 is the leading cloud-based technology marketplace, simplifying the cloud journey for our partners by integrating technology, business intelligence and proactive service to deliver an unparalleled experience. Serving thousands of partners through the indirect sales channel, our mission is to build the technology marketplace of the future. We are a fast-growing, dynamic and high-energy startup organization, allowing you to make a meaningful impact on the business. Culture is important to us,

Staff Product Security EngineerJob Title - Staff Product Security Engineer

Johnson & JohnsonCompany Name - Johnson & Johnson

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Remote or Cincinnati, Ohio, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m

Systems Engineer Vulnerability Security / Contract / RemoteJob Title - Systems Engineer Vulnerability Security / Contract / Remote

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Remote or Boston, Massachusetts, USA

Full-time

We are partnering with a leading healthcare organization in New York City to build a Vulnerability Remediation Tiger Team. This is a 6-month engagement focused on addressing critical vulnerabilities across a massive and complex IT environment, spanning on-premise systems, cloud infrastructure, and networking. This is an opportunity to be part of a fully supported, high-priority Tiger Team reporting directly to the CISO's office. You'll work in a fast-paced, Scrum-style environment with the abili

Senior Data Security Architect, Technology ArchitectureJob Title - Senior Data Security Architect, Technology Architecture

Guardian Life Insurance CompanyCompany Name - Guardian Life Insurance Company

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Remote or New York, New York, USA

Full-time

Overview Guardian is seeking a strategic and collaborative Senior Data Security Architect to lead the secure design, protection, and governance of enterprise data assets. This role requires deep expertise in data security technologies, regulatory compliance, and hands-on experience developing scalable data protection architectures. The successful candidate will work closely with data architects, data engineers, and data science teams to embed security and privacy into the entire data lifecycle

Security Systems Engineer, Programming & CommissioningJob Title - Security Systems Engineer, Programming & Commissioning

Tesla MotorsCompany Name - Tesla Motors

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Remote or Sparks, Nevada, USA

Full-time

We are seeking a highly skilled Security Systems Engineer to join our team. The successful candidate will be responsible for the programming and commissioning of access control, intrusion detection and video surveillance systems. This role requires strong technical expertise, excellent communication skills, and the ability to work collaboratively with cross-functional teams. Locations: Reno, NV, OR Fremont, CA OR Austin, TX Responsibilities Support the Security Engineering's Southern region i

IT Security Engineer - LeadJob Title - IT Security Engineer - Lead

Navigant ConsultingCompany Name - Navigant Consulting

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Remote or Atlanta, Georgia, USA

Full-time

Job Family: IT Cyber Security Travel Required: Up to 10% Clearance Required: None What You Will Do: Our Security Engineer Lead plays a pivotal role within the Information Security Operations group that is dedicated to supporting Security Operations and Incident Management/Response processes, SIEM engineering, Threat Hunting, Automation, Cyber Architecture, and Threat Intelligence. This position is responsible for enhancing SIEM and tool monitoring, tuning, detection, and alerting across mult

Security Software Engineer, Identity InfrastructureJob Title - Security Software Engineer, Identity Infrastructure

Block IncCompany Name - Block Inc

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California, USA

Full-time

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams - People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more - provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture

Cyber Analyst, Mid-LevelJob Title - Cyber Analyst, Mid-Level

QinetiQ USCompany Name - QinetiQ US

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Washington, District of Columbia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields a

Principal Security Engineer / Solutions Architect (CIAM / Okta / Auth0)Job Title - Principal Security Engineer / Solutions Architect (CIAM / Okta / Auth0)

GTechNYCompany Name - GTechNY

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Remote

Contract

About the RoleWe are seeking a seasoned Principal Security Engineer / Architect with deep expertise in CIAM (Customer Identity and Access Management), Okta, and Auth0. This is a senior-level consulting/architectural role for complex enterprise-level identity projects. You must be comfortable driving architecture decisions, advising on migration paths, and implementing robust and scalable solutions across multi-tenant environments. Key ResponsibilitiesArchitect and implement CIAM solutions levera