security engineer Jobs in district of columbia

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Systems Engineer 2

Realm One

Annapolis, Maryland, USA

Full-time

RealmOne is the GOAT - where your career can reach the greatest heights! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join u

Senior Information Systems Security Officer

BlueHalo

Annapolis, Maryland, USA

Full-time

At BlueHalo, an AV Company, our Cyber experts operate at the mission's edge. Using advanced cyber techniques, our team of technologists and analysts employ capabilities spanning traditional computing environments to Internet of Things (IoT), including offensive and defensive cyber operations and analysis, signals intelligence (SIGINT) discovery, and data science. Our team is expanding to do the big things that have never been done before - the things the nation and the world are counting on us t

Information Systems Security Manager (ISSM)

Cymertek Corporation

Tysons, Virginia, USA

Full-time

Information Systems Security Manager (ISSM) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for an experienced and dedicated **Information Systems Security Manager (ISSM)** to join our team and lead efforts to secure and protect our information systems. In this role, you will be responsible for overseeing the security posture of our organization's systems, ensuring compliance with relevant standards, and

Information System Security Officer 2

Realm One

Annapolis, Maryland, USA

Full-time

ORANGE you glad that you chose RealmOne? RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute t

Information System Security Officer 3

Realm One

Annapolis, Maryland, USA

Full-time

ORANGE you glad that you chose RealmOne? RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute t

Information System Security Officer (ISSO) - Full-Time

Chabez Tech LLC

Maryland City, Maryland, USA

Full-time

Role: Information System Security Officer (ISSO) Location: Annapolis Junction, MD Job Type: Full-Time We are looking for an Information System Security Officer (ISSO) to work at our Annapolis Junction, MD, location. This is an exciting opportunity to use your experience to support an important, fast-paced, mission-critical program. The selected candidate will act as an ISSO for a large software development program that includes software maintenance and development, IT support (Network/Workstatio

Cybersecurity Architect

Cymertek Corporation

Reston, Virginia, USA

Full-time

Cybersecurity Architect LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for an innovative and strategic Cybersecurity Architect to lead the design and implementation of our organization's security infrastructure. In this role, you will develop comprehensive security architectures, guide technical teams, and ensure our systems are resilient against evolving cyber threats. The ideal candidate is a forward-

Security Analyst

SAIC

Arlington, Virginia, USA

Full-time

Job ID: 2507505 Location: ARLINGTON, VA, US Date Posted: 2025-07-14 Category: Security Subcategory: Security 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 seeking a Security Analyst with an active TS/SCI clearance to provide general administrative support to the Office of the Under Secretary of Defense for Research and Engineering (OUSD(R&E)). This position

FLEX Cloud Infrastructure Security Automation Engineer

Marriott International

Bethesda, Maryland, USA

Full-time

Job Description This is a temporary position. CLOUD INFRASTRUCTURE SECURITY AUTOMATION ENGINEER Experience in securing Windows and Linux through hardening components according to CIS benchmark or similar standards Demonstrable expertise in DevOps engineering, systems engineering, with a background in computer science and/or software development Demonstrable skill in DevOps automation, GitOps, and pipeline development using tools like Jenkins or Harness, Git, and Ansible Script development expe

Information Systems Security Manager (ISSM)

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

Information Systems Security Manager (ISSM) LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a dedicated and results-driven Information Systems Security Manager (ISSM) to lead and oversee the security management of our information systems. In this pivotal role, you will be responsible for ensuring the confidentiality, integrity, and availability of organizational systems while maintaining complianc

Information System Security Manager 2

Realm One

Annapolis, Maryland, USA

Full-time

ORANGE you glad that you chose RealmOne? RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute t

Information System Security Manager 3

Realm One

Annapolis, Maryland, USA

Full-time

ORANGE you glad that you chose RealmOne? RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute t

Network Security Analyst

Cymertek Corporation

Reston, Virginia, USA

Full-time

Network Security Analyst LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a detail-oriented and proactive Network Security Analyst to join our cybersecurity team. In this role, you will monitor, analyze, and protect the organization's network infrastructure against potential threats and vulnerabilities. You will be responsible for identifying security risks, responding to incidents, and implementing m

Senior Security Architect - Northeast region (Remote in Boston or New York Metro)

GuidePoint Security

Remote

Full-time

GuidePoint Security provides trusted cybersecurity expertise, solutions and services that help organizations make better decisions and minimize risk. By taking a three-tiered, holistic approach for evaluating security posture and ecosystems, GuidePoint enables some of the nation's top organizations, such as Fortune 500 companies and U.S. government agencies, to identify threats, optimize resources and integrate best-fit solutions that mitigate risk. GuidePoint Security is seeking an experienced

Senior Manager - Information Security Incident Command

Marriott International

Bethesda, Maryland, USA

Full-time

Job Description JOB SUMMARY The Senior Manager supports and manages Red and Red/Blue Team ("Red Team") testing as a part of the Global Information Security (GIS) PMO Incident Command team. Triages coordination and updates of issues and backlog of strategic recommendations and roadmap items based on the Red Team assessments. Collaborates across the Global Technology organization and with key business stakeholders to deliver results. EDUCATION & EXPERIENCE Required: Bachelor's degree in Comput

IT Security Analyst

Decisionpoint Corporation

Joint Base Andrews, Maryland, USA

Full-time

Overview DecisionPoint Corporation is seeking an IT Security Analyst to join our US Air Force team supporting the defense of USAF infrastructure (AFIN) at the base level. This position is onsite at JB Andrews. Duties & Responsibilities The contractor shall provide Functional Mission Analysis-Cyber assistance to identify weapon system's critical information technology architecture and supporting infrastructure that aids in the warfighting mission. Contractor shall perform Information Security Ana

Information Systems Security Officer (ISSO)

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

Information Systems Security Officer (ISSO) LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a detail-oriented and proactive Information Systems Security Officer (ISSO) to support and maintain the security of our information systems. In this role, you will be responsible for ensuring systems operate in compliance with established security policies, procedures, and regulations. You will work closely wit

Cybersecurity Architect

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

Cybersecurity Architect LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for an innovative and strategic Cybersecurity Architect to lead the design and implementation of our organization's security infrastructure. In this role, you will develop comprehensive security architectures, guide technical teams, and ensure our systems are resilient against evolving cyber threats. The ideal candidate is a forwa

Lead Cloud Incident Responder, SVP

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 systemic

Information System Security Officer (ISSO)

Accenture LLP

Fort Meade, Maryland, 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