network security Jobs in washington, dc

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IBM Security Access Manager (SAM) / Middleware Engineer

International Logic Systems, Inc. (ILS)

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

Security DevSecOps Engineer - Hybrid

General Dynamics

Remote or Springfield, Virginia, 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: BI Full 6C (T4) Job Family: Information Security Job Qualifications: Skills: Agile Methodology, Cybersecurity, Information Security, Information Technology Security Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: GDIT, a Federal marketplace leader in next-generation IT solutions and profes

Cloud Security Architect Senior Engineer

Citi

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 systemica

Senior Network Engineer

Leidos

Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Network Engineer 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 and immediate vestin

Cloud Security Architecture Lead Analyst

Citi

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 systemica

Security Engineer (L5), Security Protocols Engineering

Netflix, Inc.

Remote

Full-time

Netflix is one of the world's leading entertainment services, with over 300 million paid memberships in over 190 countries enjoying TV series, films and games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time. The Team The Security Protocols Engineering (SPE) team is responsible for developing and supporting the communication protocols that enable Netflix clients to interact

Information Systems Security Engineer

Cornerstone Defense

Annapolis, Maryland, USA

Full-time

Location: Annapolis Junction Type: Contract Job #3709 Title: Information Systems Security Engineer Location: Annapolis Junction, MD Compensation Range: $195 -$215K *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work

Junior Information System Security Engineer (ISSE)

Clarity Innovations

Maryland, USA

Full-time

Clarity Innovations is a trusted national security partner, dedicated to safeguarding our nation's interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world. Our mission-first software and data engineering platform modernizes data operations, utilizing advanced workflows, CI/CD, and secure DevSecOps practices. We focus on challenges in Inf

Senior Systems Engineer - New York City

Motorola Solutions

Remote or New York, New York, USA

Full-time

Company Overview At Motorola Solutions, we believe that everything starts with our people. We're a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. Our critical communications, video security and command center technologies support public safety agencies and enterprises alike, enabling the coordination that's critical for safer communities, safer schools, safer hospitals and safer businesses. Connect with a career that matters, and help us buil

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

Jacobs

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

Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) - TS/SCI w. Polygraph

General Dynamics

Elkridge, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Cyber Security Job Qualifications: Skills: Cybersecurity, Information Security Operations, Information System Security Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: *Position is currently located in Elkridge, MD and will relocate to anothe

Senior Systems Security Engineer

SAIC

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

Information Systems Security Manager

Leidos

Bethesda, Maryland, USA

Full-time

Description Leidos' High Fidelity Simulation Business Area is responsible for architecting and implementing large-scale System of Systems solutions in support of world class simulation, training, and analysis products for the US Navy. You will get to work with state-of-the art technology developing the most sophisticated and "game changing" trainers the US Navy deploys. You will be part of a high powered, collegial, and ethical team, performing vital work that has a major impact within the US Na

IT Cybersecurity Principal Engineer Application Security

Commonspirit Health

Remote or Englewood, Colorado, USA

Full-time

Overview Inspired by faith. Driven by innovation. Powered by humankindness. CommonSpirit Health is building a healthier future for all through its integrated health services. As one of the nation's largest nonprofit Catholic healthcare organizations, CommonSpirit Health delivers more than 20 million patient encounters annually through more than 2,300 clinics, care sites and 137 hospital-based locations, in addition to its home-based services and virtual care offerings. CommonSpirit has more tha

Senior Security Engineer

Eli Lilly and Company

Remote

Full-time

At Lilly, we unite caring with discovery to make life better for people around the world. We are a global healthcare leader headquartered in Indianapolis, Indiana. Our employees around the world work to discover and bring life-changing medicines to those who need them, improve the understanding and management of disease, and give back to our communities through philanthropy and volunteerism. We give our best effort to our work, and we put people first. We're looking for people who are determined

IT Subject Matter Expert - Technical & Security Lead

MetaPhase Consulting

Washington, District of Columbia, USA

Full-time

Description At MetaPhase, we believe Quirky is Cool and being authentic is the only way to be! We take the work we do very seriously and do a lot of important mission-focused work for our clients. We are individuals with different passions and strengths who take as much joy in the work we do as from those we work with. Today, we have a team that is invested in creating new solutions that lean forward, challenge the status quo, but also reflect our intimate knowledge of our customers' business.

Junior Information System Security Office (ISSO)

Clarity Innovations

Maryland, USA

Full-time

Clarity Innovations is a trusted national security partner, dedicated to safeguarding our nation's interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world. Our mission-first software and data engineering platform modernizes data operations, utilizing advanced workflows, CI/CD, and secure DevSecOps practices. We focus on challenges in Inf

Information Security Architect

Kforce Technology Staffing

Remote or Westfield Center, Ohio, USA

Full-time

RESPONSIBILITIES: Kforce has a client that is seeking an Information Security Architect in Westfield Center, OH. Key Contributions: * Strategic Security Planning: Formulates and drives a comprehensive blueprint for enterprise security architecture, ensuring it supports business priorities and regulatory obligations * Team Enablement: Acts as a technical advisor and leader, guiding the security function in designing and embedding protective measures across platforms * Stakeholder Engagement: Int

Security Compliance Analyst

Zolon Tech Solutions Inc

Rockville, Maryland, USA

Contract

Job Title: Security Compliance Analyst Location: Rockville, MD / Tysons, VA (fully Onsite) Contract role Job Description: Consultant's Responsibilities (overall and day-to-day): As a Security Compliance Analyst, you will be joining a team performing security assessments and providing consulting support to assist clients in meeting FISMA and FedRAMP requirements. The ideal candidate will have a firm understanding of how to apply the principles of Information Security in a variety of circumstance

Cyber Incident Response Analyst IV

Nightwing

Remote or Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th