assurance Jobs in District of Columbia

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Information Systems Security Officer (Multiple Levels)

BlueHalo

Annapolis, Maryland, USA

Full-time

Joining the BlueHalo, an AV Company, team means immersing yourself in a dynamic environment, working alongside the brightest minds in technology through some of the toughest challenges facing our nation today. We are spearheading the future of global defense, with every BlueHalo, an AV Company, employee playing a key role in our success. That's why our investment in you goes beyond competitive pay and a rewarding benefits package. We're committed to providing our people with the best opportuniti

Network Engineer III (Government)

AT&T Inc.

Chantilly, Virginia, 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. Our National Security Team supports the intelligence community by providing, operating, and assuring critical voice, v

Architecture Engineer (NE3) (Government)

AT&T Inc.

Chantilly, Virginia, 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. Our National Security Team supports the intelligence community by providing, operating, and assuring critical voice,

Architecture Engineer (NE III) (Government)

AT&T Inc.

Chantilly, Virginia, 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. Our National Security Team supports the intelligence community by providing, operating, and assuring critical voice, v

Senior Information System Security Officer (ISSO)

Leidos

Annapolis, Maryland, USA

Full-time

Senior Information System Security Officer (ISSO) Leidos currently has an opening for a Senior Information System Security Officer (ISSO) to work at our Annapolis Junction, MD location. The selected candidate will act as an ISSO for a large software development program which includes software maintenance and development, IT support (Network/Workstation/Server), systems integration and life cycle support, enterprise application development, network engineering, and information systems security (

Information Systems Security Officer (ISSO)

Cymertek Corporation

Reston, Virginia, USA

Full-time

Information Systems Security Officer (ISSO) LOCATION Reston, VA 20190 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 Systems Security Officer (ISSO)** to join our team and take ownership of ensuring the security and integrity of our information systems. In this role, you will be responsible for implementing and overseeing security policies, managing risk assessments, and ensuring com

Systems Administrator 2

Nightwing

Remote or Annapolis, Maryland, 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

Network Engineer (Mid) (Cleared) TA-NE

Kentro

Washington, District of Columbia, USA

Full-time

Description Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities. Our transition to Kentro in 2025 reflects a rich legacy built upon the foundation of IT Concepts. Rather than leaving ITC behind, we confidently embrace a future centered around the Core of More

Help Desk Technician - TS/SCI

General Dynamics

Chantilly, Virginia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Help Desk Job Qualifications: Skills: Active Directory (AD), Help Desk Support, Technical Support Certifications: Security CE + - Comptia CERT Experience: 1 + years of related experience ship Required: Yes Job Description: We are GDIT. The people supporting and securing some of th

Software Engineer

Modern Technology Solutions

Chantilly, Virginia, USA

Full-time

Overview Modern Technology Solutions, Inc. (MTSI) is seeking a TS/SCI cleared Software Engineer to join our team in Chantilly, VA. We are a small, but highly empowered team where every team member directly impacts the success of our mission. In your role, you will be responsible for designing, implementing, and maintaining real-time data ingestion infrastructure for a project using an agile development model. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support s

Systems Engineer/Project Manager

Leidos

Bethesda, Maryland, USA

Full-time

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Employees enjoy career enrichment opportunities available through mobility and development an

Space Vehicle Engineering Lead

Aerospace Corporation

Chantilly, Virginia, USA

Full-time

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers,

IT Engineer - Microsoft Enterprise Systems Administrator Advisor, TS/SCI with Polygraph

General Dynamics

Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: DNS, Dynamic Host Configuration Protocol (DHCP), Microsoft (MS) Active Directory (AD), Windows 10 Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: General Dynamics Information Tech

Mission Engineering Study Team Lead

Modern Technology Solutions

Alexandria, Virginia, USA

Full-time

Overview Modern Technology Solutions, Inc. (MTSI) is seeking a Mission Engineering Study Team Lead to join our team in Alexandria, VA area to support on-site mission engineering, analysis, and integration expertise to produce objective insights and analytic justification to inform future technology and capability investment decisions within the Planning, Programming, and Budgeting Execution (PPBE) process and aid in the prioritization, alignment and validation of requirements within Joint Capab

SIEM Engineer

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

SIEM Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive SIEM Engineer to join our cybersecurity team and play a critical role in safeguarding our systems and data. In this role, you will design, implement, and manage Security Information and Event Management (SIEM) solutions, ensuring real-time monitoring, threat detection, and effective incident response. Collaborating w

NMS Database Manager/Administrator (Data Architect III) (Government)

AT&T Inc.

Chantilly, Virginia, 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. Our National Security Team supports the Intelligence Community by providing, operating and assuring critical voice, vide

Program Security Officer - Clearance Required

SAIC

Chantilly, Virginia, USA

Full-time

Job ID: 2505632 Location: CHANTILLY, VA, US Date Posted: 2025-05-14 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: None 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, working ac

Cyber Security Engineer

SAIC

Chantilly, Virginia, USA

Full-time

Job ID: 2500743 Location: CHANTILLY, VA, US Date Posted: 2025-03-20 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems development & deployment, targeting & intelligence analysis, systems engineering & integration, and training capabilities and solutions for the Intelligence Commun

Information Systems Security Engineer Level 1

General Dynamics

Annapolis, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Computing, Information Systems, Security Requirements, Security System Certifications: None Experience: 7 + years of related experience ship Required: Yes Job Description: ISSE Level I Transform technology into opportunity as an Info

iOS Vulnerability Engineer (Software)

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

iOS Vulnerability Engineer (Software) 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 highly skilled and innovative iOS Vulnerability Engineer (Software) to join our team and help identify, analyze, and mitigate security vulnerabilities in iOS systems and applications. In this role, you will focus on uncovering potential threats, developing secure solutions, and ensuring the integrity of iOS pla