Lead Security Engineer Jobs in District of Columbia

381 - 400 of 585 Jobs

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

IT Security Analyst 4Job Title - IT Security Analyst 4

Oracle CorporationCompany Name - Oracle Corporation

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Reston, Virginia, USA

Full-time

Job Description Oracle is seeking a highly motivated and career-oriented Information System Security Officer (ISSO) with a TS/SCI w/poly clearance to join our team Government Security Team supporting government clients. The position will be located in the Reston, VA area. Responsibilities Must currently hold and have the ability to maintain a TS/SCI with Poly clearance. Job Responsibilities: Support the security authorization process, including documentation and compliance reviews and assessm

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

Information Systems Security Officer (ISSO I) (Government)Job Title - Information Systems Security Officer (ISSO I) (Government)

AT&T Inc.Company Name - AT&T Inc.

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Columbia, Maryland, USA

Full-time

Job Description: 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 customers' mission. RIS I is the delivery of regional IT services to the end user. We offer support of end user devices including desktop, w

IT Security SpecialistJob Title - IT Security Specialist

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

IT Security Specialist LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a detail-oriented and dedicated IT Security Specialist to join our team and safeguard our organization's digital assets. In this role, you will be responsible for identifying and mitigating security risks, implementing best practices, and ensuring the integrity and confidentiality of sensitive information. The ideal candidate will

Information Systems Security Officer (ISSO3) (Government)Job Title - Information Systems Security Officer (ISSO3) (Government)

AT&T Inc.Company Name - AT&T Inc.

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Columbia, Maryland, USA

Full-time

Job Description: 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 customers' mission. MAROONMIDNIGHTS (MMN) Provide IT support and solutions developed for National Cryptologic University classified training

End-User-Compute(EUC)/Virtual Desktop Infrastructure(VDI) Solutions Architect, National Security SA Specialty TeamJob Title - End-User-Compute(EUC)/Virtual Desktop Infrastructure(VDI) Solutions Architect, National Security SA Specialty Team

Amazon Web Services, Inc.Company Name - Amazon Web Services, Inc.

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Herndon, Virginia, USA

Full-time

Do you like helping U.S. Intelligence Community agencies implement innovative cloud computing solutions and solve technical problems? Would you like to do this using the latest cloud computing technologies? Do you have a knack for helping these groups understand application architectures and integration approaches, and the consultative and leadership skills to launch a project on a trajectory to success? Are you familiar with security best practices for applications, servers, and networks? Do yo

End-User-Compute(EUC)/Virtual Desktop Infrastructure(VDI) Solutions Architect, National Security SA Specialty TeamJob Title - End-User-Compute(EUC)/Virtual Desktop Infrastructure(VDI) Solutions Architect, National Security SA Specialty Team

Amazon Web Services, Inc.Company Name - Amazon Web Services, Inc.

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Herndon, Virginia, USA

Full-time

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

JacobsCompany Name - Jacobs

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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

SAP NS2 Senior Information Security Compliance SpecialistJob Title - SAP NS2 Senior Information Security Compliance Specialist

SAP Americas, Inc.Company Name - SAP Americas, Inc.

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Herndon, Virginia, USA

Full-time

We help the world run better At SAP, we keep it simple: you bring your best to us, and we'll bring out the best in you. We're builders touching over 20 industries and 80% of global commerce, and we need your unique talents to help shape what's next. The work is challenging - but it matters. You'll find a place where you can be yourself, prioritize your wellbeing, and truly belong. What's in it for you? Constant learning, skill growth, great benefits, and a team that wants you to grow and succeed

Information Systems Security Officer (ISSO)Job Title - Information Systems Security Officer (ISSO)

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Information Systems Security Officer (ISSO) LOCATION Tysons, VA 22182 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 with t

Information System Security OfficerJob Title - Information System Security Officer

Cymertek CorporationCompany Name - Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Information System Security Officer LOCATION Tysons, VA 22182 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 security measures.

Senior Information Systems Security Officer 15k Sign on BonusJob Title - Senior Information Systems Security Officer 15k Sign on Bonus

LeidosCompany Name - Leidos

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Annapolis, 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 Leidos Pay and Benefits, including 4 or more weeks Paid Time Off,

Information Systems Security Officer - 15k Sign on Bonus!Job Title - Information Systems Security Officer - 15k Sign on Bonus!

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Security Automation EngineerJob Title - Security Automation Engineer

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

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Arlington, Virginia, USA

Full-time

Security Automation Engineer As a Security Automation Engineer, you will provide technical leadership and strategic guidance on security automation and secure system engineering to both internal and external stakeholders. This role is responsible for designing, implementing, and maintaining automation tools and pipelines that support the Enterprise Security team's mission. The company is located in Reston, VA and will remain 100% remote. This role is a 6-month contract-to-hire. What You Will Be

SAP NS2 Intel Security and Governance, Risk & Compliance (GRC) Consultant- Onsite - Chantilly, VAJob Title - SAP NS2 Intel Security and Governance, Risk & Compliance (GRC) Consultant- Onsite - Chantilly, VA

SAP Americas, Inc.Company Name - SAP Americas, Inc.

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Herndon, Virginia, USA

Full-time

We help the world run better At SAP, we enable you to bring out your best. Our company culture is focused on collaboration and a shared passion to help the world run better. How? We focus every day on building the foundation for tomorrow and creating a workplace that embraces differences, values flexibility, and is aligned to our purpose-driven and future-focused work. We offer a highly collaborative, caring team environment with a strong focus on learning and development, recognition for your i

Information System Security OfficerJob Title - Information System Security Officer

Softthink Solutions, Inc.Company Name - Softthink Solutions, Inc.

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Washington, District of Columbia, USA

Contract

Title: Information System Security Officer, ISSO Location: On site Washington, DC. Work authorization: key personnel must have: BS/BA in Computer Science, Information Systems, Software Engineering, or other related analytical, scientific, or technical discipline.Certified Information Systems Security Professional (CISSP) Certification, GIAC EnterpriseVulnerability Assessor, or Certified Information Systems Auditor (CISA) is highly preferred. Experience working as an ISSO in the Federal Governm

Senior Cybersecurity Analyst / Information Security Manager - Top Secret ClearanceJob Title - Senior Cybersecurity Analyst / Information Security Manager - Top Secret Clearance

Akima, LLCCompany Name - Akima, LLC

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Rockville, Maryland, USA

Full-time

We are seeking a highly skilled Senior Cybersecurity Analyst / Information Security Manager with expertise in IT security, risk management, and policy development. The ideal candidate will have a minimum of five (5) years of experience implementing security measures to protect the confidentiality, integrity, and availability of information systems and data, along with at least two (2) years of supervisory experience in a cybersecurity or IT security role. This individual will be responsible for

Security Analyst 2Job Title - Security Analyst 2

ManTechCompany Name - ManTech

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Chantilly, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Security Analyst 2 to join our team in the Chantilly, VA area. Responsibilities include, but are not limited to: Fingerprinting NRO personnel and collecting and inputting biographical dataUploading and submitting fingerprints into the system of recordTaking the initiative, conducting work-arounds when needed, and making necessary decisions to ensure progress is made reach goalsUsing multiple NRO, DOD, and IC databases including, but not li

Information Systems Security Manager (ISSM)Job Title - Information Systems Security Manager (ISSM)

Cymertek CorporationCompany Name - Cymertek Corporation

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Reston, Virginia, USA

Full-time

Information Systems Security Manager (ISSM) 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 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 compliance w