software security Jobs in district of columbia

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IT Security Analyst T3 - Herndon, VA - 3 days Onsite every week - Only W2 candidates

Emergere Technologies

Herndon, Virginia, USA

Contract

IT Security Analyst T3 Local to Washington, DC or Herndon, VA area Description: *This role requires in office (Herndon) 3 days a week (Tuesday, Wednesday & Thursday) but may increase as business needs change.* Summary: Security Analyst (SA) will assist with the creation, update, and maintenance of FedRAMP required security documentation, associated artifacts, and Continuous Monitoring (CONMON) requirements such as the Plan of Action and Milestones (POAM) and assisting the Cloud Operations team

Cloud Security Engineer

BOOZ, ALLEN & HAMILTON, INC.

Arlington, Virginia, USA

Full-time

Cloud Security Engineer The Opportunity: Everyone is trying to "harness the cloud," but not everyone knows how to secure it. As a cloud security SME, you know how to assess and implement requirements that ensure the safety of information systems and protect them against intentional or inadvertent access or destruction. What if you could use your cloud security skills to improve one of the largest software factories in the DoD? We need you to help us develop cloud-based security architectures fo

Cloud Security Technical Project Manager

SAIC

Chantilly, Virginia, USA

Full-time

Job ID: 2506833 Location: CHANTILLY, VA, US Date Posted: 2025-07-01 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings acr

Oracle Cloud Application Security Developer Sr

Accenture LLP

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

Information System Security Officer (ISSO)

Parsons Services Company

Annapolis, Maryland, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for a talented fully cleared Information Systems Security Officer

Senior Systems Security Administrator

Johns Hopkins University AppliedPhysicsLaboratory

Laurel, Maryland, USA

Full-time

Description Are you interested in creating new IT security capabilities and learning new cybersecurity technologies? Do you want to have a stake in the overall security posture and assessment of the IT infrastructure? If so, we're looking for someone like you to apply and join our team at APL! We are seeking a Senior Systems Security Administrator (SSA) to be part of APL 's Classified IT Services team. We provide technical expertise to meet compliance and security objectives in environments co

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

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

Jacobs

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

Network Security Engineer

Motion Recruitment Partners, LLC

Washington, District of Columbia, USA

Full-time

A growing cyber security consulting firm is seeking a Network Security Engineer to join a highly collaborative cybersecurity team supporting enterprise-level infrastructure. This role is ideal for a seasoned network engineer with deep expertise in network security, threat mitigation, and incident response. You'll design and maintain secure network architectures, monitor for anomalies, and play a key role in strengthening the organization's overall security posture. This is a 6-month Contract-to-

FLEX Senior Cloud Data Security Engineer

Marriott International

Bethesda, Maryland, USA

Full-time

Job Description This is a temporary position. Job Description JOB SUMMARY The position is a part of Marriott International Global Information Security team and will work closely with other technology and business units to secure data in a highly diverse and regulated corporate environment. Position will be responsible for the planning, design, deployment, and management of data security in Cloud IaaS, PaaS and SaaS environments. Enable the organization to store, transmit and process sensitiv

Program Security Officer - Clearance Required

SAIC

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

Senior Information Systems Security Officer (ISSO)

Leidos

Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior 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

Information Systems Security Officer (ISSO)

Leidos

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

Splunk Security Engineer

Leidos

Suitland-Silver Hill, Maryland, USA

Full-time

Are you ready to turn your skills into real-world impact? Join Leidos as a Splunk Security Engineer in Suitland, MD and be at the forefront of mission-critical cybersecurity. From defending networks to building scalable automation, your work will shape the response and resilience of national operations. What You'll Do As a core member of our security engineering team, you will: Develop, maintain, and execute automated SOAR playbooks that interact across systems and devicesAnalyze log events, co

Information System Security Officer (ISSO) (Government)

AT&T Inc.

Reston, Virginia, USA

Full-time

Job Description: This position requires office presence of a minimum of 5 days per week and is only located at customer's site. 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 our c

Information System Security Officer

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

Information System Security Officer LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dedicated and detail-oriented Information System Security Officer (ISSO) to join our cybersecurity team. In this role, you will be responsible for maintaining the security posture of information systems, ensuring compliance with security policies, and managing risk through the implementation of robust securi

IT Security Analyst

Cayuse Holdings, LLC

Arlington, Virginia, USA

Full-time

Overview The IT Security Analyst is responsible for implementing and enforcing information systems security policies, standards, and methodologies and assist with preparation and maintenance of documentation. Assist in the evaluation of security solutions to ensure they meet security requirements for processing classified information. Assist the ISSO on information system security software, hardware, and firmware. Maintain records on workstations, servers, routers, firewalls, intelligent hubs ,

Technical Security and Signals Countermeasures (TSSC) Engineer

Leidos

Bethesda, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Technical Security and Signals Countermeasures (TSSC) 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

Information Systems Security Officer (ISSO)

Radiance Technologies

Maryland, USA

Full-time

Radiance Technologies, a 100% employee-owned company, is seeking a Journeyman Information Systems Security Officer (ISSO) to support cybersecurity operations for the Project Manager for Cyber and Space (PM C&S) within the Program Executive Office for Intelligence, Electronic Warfare, and Sensors (PEO IEW&S). The ISSO will assist in safeguarding DoD information systems, ensuring cybersecurity compliance, and implementing DoD cyber policies and standards throughout system lifecycles. This position

Site Security Analyst

Leidos

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