security Jobs in District of Columbia

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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

Security Researcher

Motion Recruitment Partners, LLC

Arlington, Virginia, USA

Full-time

A mission-focused technology start-up is seeking a Cyber Security Research Engineer with strong offensive security expertise, software development skills, and threat research experience. This role involves developing and automating sophisticated attack paths and creating cutting-edge tools for cyber and electromagnetic operations. Location: Arlington, VA (In-Office) for core hours. What You'll Do: Design and implement attack paths emulating real-world adversaries Develop custom tools and scripts

Security Analyst 2

ManTech

Chantilly, Virginia, USA

Full-time

Currently, ManTech is seeking 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 inclu

Program Security Officer 2

ManTech

Chantilly, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Program Security Officer 2 PSO 2 to join our team in either Chantilly, VA or in Springfield, VA with work hours 3:30pm - 11:30pm; or, in Aurora, CO or Las Cruces, NM with work hours 1:30pm - 9:30/10:00pm. Responsibilities include but not limited to: Provides advice and assistance regarding a range of security issues and concerns to government and program security officers in different geographical locationsProvides classification managem

Senior Principal Consultant - Security A&A Engineer (Clearance Required)

Oracle Corporation

Reston, Virginia, USA

Full-time

Job Description Must current hold and have the ability to maintain a TS/SCI with Poly. We are seeking a highly experienced and motivated Information Systems Security Analyst to join a new and exciting task order. The ideal candidate will play a critical role in assisting with driving all assessment & authorization (A&A) efforts for a new data platform. Working along side a team of technical engineers, this role requires both cybersecurity experience and technical saavy. In this role, you will

Security Analyst 2

ManTech

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

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

Security Analyst 3

ManTech

Chantilly, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Security Analyst 3 to join our team in the Chantilly, VA area. Responsibilities include, but are not limited to: Managing day-to-day project operations, reporting back to the government leadCreating a plan and schedule to accomplish project objectives within the target timelineScheduling and managing fingerprint appointments and coordinating and assigning tasksCreating and maintaining project standard operating procedures (SOPs)Using multi

Senior Tenable Security Engineer

ShorePoint, Inc

Washington, District of Columbia, USA

Full-time

Who we are: ShorePoint is a fast-growing, industry recognized and award-winning cybersecurity services firm with a focus on high-profile, high-threat, private and public-sector customers who demand experience and proven security models to protect their data. ShorePoint subscribes to a work hard, play hard mentality and celebrates individual and company successes. We are passionate about our mission and going above and beyond to deliver for our customers. We are equally passionate about an enviro

Security Architect Premium III

Dexian DISYS

Washington, District of Columbia, USA

Contract

Azure Solutions/Security Architect: * Long-term contract (1-2 years with possible extensions) * Onsite 2-4 days a week in Washington, D.C. (Foggy Bottom area) * Looking for a senior personSolutions/Security Architect. Need to have 15+ years of professional IT experience in enterprise environments. 8-10+ years of experience with solution architecture. 5+ years of experience with security. * Candidate must have a CISSP certification and Microsoft Azure Certified preferred (e.g., Azure Solution

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

Cyber Security Architect - Security Architect - Blue Team

SES

Remote

Full-time

Security Architect - Cyber Security Architect - Blue Team Type: W2 With Benefits - No C2C Location: Will Be Supporting Denver, CO Hours The Work You will work with our team of Architects to craft secure design patterns, perform security assessments, and review system designs using a risk-based, threat-modeling approach. The Security Architect will have the following core responsibilities: Partner with business and technology teams to define security designs that meet security requirements and en

National Security System (NSS) Engineer

Evolver Federal

Springfield, Virginia, USA

Full-time

Evolver Federal is seeking a National Security System (NSS) Engineer to support its Federal client in Springfield, VA in analyzing and mitigating risk for a portfolio of National Security Systems. The NSS Engineer will review and analyze system design and security architecture documentation as well as security documentation, including System Security Plans (SSPs) to identify areas of noncompliance with security requirements and security risk, also identifying discrepancies among documentation as

Security Administrator (Two-Factor Authentication Expert)

Nasscomm, Inc.

Washington, District of Columbia, USA

Contract

Familiarity with Entrust products, including Two-Factor Authentication solutions, certificate management, and encryption technologies. Ability to collaborate effectively with cross-functional teams to integrate email systems with other applications and platforms. Excellent communication skills to provide technical support and guidance to end-users. Proven ability to multi-task Knowledge of best practices and IT operations in an always-up, always-available service Manages time effectively Creati

Security Engineer

Leidos

Chantilly, Virginia, USA

Full-time

Description We are seeking a highly skilled Cyber Security Engineer supporting the NRO cyber operations group or Industrial Control Systems group at each site by working with the Information Security Offices to design, implement, and support defensive security solutions that safeguard mission-critical systems and data. The ideal candidate will have deep expertise in cyber threat research, vulnerability assessment, and secure software development practices. This role focuses on protecting network

Senior Information Systems Security Officer (ISSO-3)

Leidos

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, including Paid Time Off, 11 paid Holidays, 401K with a 6% company

Security Engineer

Leidos

Alexandria, Virginia, USA

Full-time

Leidos is seeking a Security Engineer to support the execution of strategic, operational, and organizational PPSM objectives. This position can be based out of any of our three locations - Alexandria, VA, Fort Meade, MD, or Chambersburg, PA. The position is primarily on-site, but partial telework may be available at the discretion of our customer and program management. Responsibilities: Ensure compliance with DoD-approved standards, architectures, and guidelines (e.g., DISN) and conduct qualit

Junior Security Training Consultant w/TS/SCI

Judge Group, Inc.

Washington, District of Columbia, USA

Contract

Location: Washington, DC Salary: $35.00 USD Hourly - $45.00 USD Hourly Description: Title : Junior Security Training Consultant with Top Secret/SCI Location: Washington, 20016 Hybrid Contract To Hire Job Description Responsibilities: Handle daily operational tasks for the IT Security Operations Team (Account requests, entry/exit requests, file transfers, decommissioning/sanitization guidance, and provide daily guidance as needed. Support the Government in the fulfillment of all IT security

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

Security Control Assessor

Govcio LLC

Washington, District of Columbia, USA

Full-time

Overview: GovCIO is currently hiring for Security Control Assessor with a TS/SCI clearance in Washington, DC (4 days onsite, 1 day remote). Responsibilities: Provide an assessment of the severity of weaknesses or deficiencies discovered in the information system and its environment of operation and recommend corrective actions to address identified vulnerabilities Prepare the final security assessment report containing the results and findings from the assessment. Prior to initiating the secur