Security Engineer Jobs in ashburn,va

301 - 320 of 594 Jobs

Network EngineerJob Title - Network Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Reston, Virginia, USA

Full-time

Network Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive Network Engineer to join our team and play a key role in designing, implementing, and maintaining our network infrastructure. In this role, you will ensure the reliability, security, and scalability of our network systems, troubleshoot issues, and optimize performance to meet the needs of a dynamic and growing organi

Information Security Risk AssessorJob Title - Information Security Risk Assessor

Cyquent, Inc.Company Name - Cyquent, Inc.

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Rockville, Maryland, USA

Full-time

Job Title: Location: Rockville MD Duration: Long-Term Onsite position and No remote work Job Description:- Scope of WorkThe Cyber Security Risk Analyst will support Governance, Risk, and Compliance (GRC) efforts by performing detailed risk evaluations and compliance assessments. The analyst will work primarily within the ServiceNow GRC platform to review IT security policy exception requests, assess vulnerabilities, and support broader risk governance activities. Responsibilities include, but ar

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

Emergere TechnologiesCompany Name - Emergere Technologies

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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

Network EngineerJob Title - Network Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Chantilly, Virginia, USA

Full-time

Network 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 Network Engineer to join our team and play a key role in designing, implementing, and maintaining our network infrastructure. In this role, you will ensure the reliability, security, and scalability of our network systems, troubleshoot issues, and optimize performance to meet the needs of a dynamic and growing org

Security Analyst FedRAMP / RMF / NIST Hybrid (Herndon, VA)Job Title - Security Analyst FedRAMP / RMF / NIST Hybrid (Herndon, VA)

NextGen IT ServicesCompany Name - NextGen IT Services

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Herndon, Virginia, USA

Full-time

Type: Contract / Contract-to-Hire/ Full timeLocation: Herndon, VA (Hybrid Tues to Thurs on-site) Job Description:We re looking for a Security Analyst with strong FedRAMP and NIST RMF experience to support a major cloud enterprise security program. This hybrid role (3 days/week onsite in Herndon, VA) is part of a prime federal contract supporting SAP NS2. Responsibilities Include: Create and maintain FedRAMP-compliant security documentation (SSP, POAMs, CONMON) Collaborate with ISSOs and cloud te

Java Developer with Top Security ClearanceJob Title - Java Developer with Top Security Clearance

Chabez Tech LLCCompany Name - Chabez Tech LLC

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Gainesville, Virginia, USA

Full-time

Now Hiring: 10 Software Engineers | TS/SCI with CI Poly Required Location: Onsite | Clearance Required Job Type: Full Time with Benefits + Relocation Assistance Open Systems Technologies Corporation (OST), a leader in federal IT and cybersecurity solutions, is hiring 10 Software Engineers to join an elite agile team supporting a high-visibility national security program. This is a full-time opportunity offering high-impact work, continuous learning, and a supportive environment with excellent be

Application Security AdvisorJob Title - Application Security Advisor

Ascendion Inc.Company Name - Ascendion Inc.

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Reston, Virginia, USA

Full-time

About Ascendion Ascendion is a full-service digital engineering solutions company. We make and manage software platforms and products that power growth and deliver captivating experiences to consumers and employees. Our engineering, cloud, data, experience design, and talent solution capabilities accelerate transformation and impact for enterprise clients. Headquartered in New Jersey, our workforce of 6,000+ Ascenders delivers solutions from around the globe. Ascendion is built differently to en

DevOps Engineer - GovCloudJob Title - DevOps Engineer - GovCloud

SalesforceCompany Name - Salesforce

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Herndon, Virginia, USA

Full-time

To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category Software Engineering Job Details About Salesforce We're Salesforce, the Customer Company, inspiring the future of business with AI+ Data +CRM. Leading with our core values, we help companies across every industry blaze new trails and connect with customers in a whole new way. And, we empower you to be a Trailblazer, too - driving you

Network Engineer / Systems Administrator (SA)Job Title - Network Engineer / Systems Administrator (SA)

Cymertek CorporationCompany Name - Cymertek Corporation

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Reston, Virginia, USA

Full-time

Network Engineer / Systems Administrator (SA) LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and proactive **Network Engineer / Systems Administrator (SA)** to join our team and play a pivotal role in maintaining and enhancing our IT infrastructure. In this role, you will be responsible for designing, implementing, and managing network systems, as well as ensuring the reliability, secur

Senior Cyber Capability Developer (Reverse Engineer)Job Title - Senior Cyber Capability Developer (Reverse Engineer)

LeidosCompany Name - Leidos

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Lorton, Virginia, USA

Full-time

Description Looking for an opportunity to make an impact? 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 sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector combines technology-enabled services and mission software capabilities

Network Engineer / Systems Administrator (SA)Job Title - Network Engineer / Systems Administrator (SA)

Cymertek CorporationCompany Name - Cymertek Corporation

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Chantilly, Virginia, USA

Full-time

Network Engineer / Systems Administrator (SA) LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and proactive **Network Engineer / Systems Administrator (SA)** to join our team and play a pivotal role in maintaining and enhancing our IT infrastructure. In this role, you will be responsible for designing, implementing, and managing network systems, as well as ensuring the reliability, se

Director of Product Security ArchitectureJob Title - Director of Product Security Architecture

DFND SecurityCompany Name - DFND Security

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Remote

Contract

We are looking for a Director or Product Security Architecture for a position expected to start right away. The position is expected to be a contract to hire, est hours and work from home. Some more details are below. Please let me know if you are interested and when a good time is to get in touch with you. Thanks for your time. You will be responsible for defining a broad and detailed technical strategy for security that encompasses all products, including next-gen software solutions, existing

Android Mobile Reverse EngineerJob Title - Android Mobile Reverse Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Reston, Virginia, USA

Full-time

Android Mobile Reverse Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled Android Mobile Reverse Engineer to join our team and tackle complex challenges in analyzing, deconstructing, and understanding Android applications and systems. In this role, you will use your technical expertise to uncover vulnerabilities, enhance system security, and contribute to the development of innovative sol

Senior Cyber Capability Developer (Reverse Engineer)Job Title - Senior Cyber Capability Developer (Reverse Engineer)

LeidosCompany Name - Leidos

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Lorton, Virginia, USA

Full-time

Looking for an opportunity to make an impact? 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 sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector combines technology-enabled services and mission software capabilities in the area

Senior Architect Security (Checkpoint, Cisco ISE)Job Title - Senior Architect Security (Checkpoint, Cisco ISE)

Alpha SiliconCompany Name - Alpha Silicon

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Contract, Third Party

Title: Senior Architect Security (Checkpoint, Cisco ISE) Location: Remote Terms: Contract Job Description Job Summary: We are seeking a highly experienced and technically proficient Data Center Network & Security Engineer to lead the design, deployment, and management of complex network and security infrastructures. The ideal candidate will have deep expertise across a wide range of technologies including Cisco Nexus, Check Point, Cisco ISE, Palo Alto, Arista, HP Aruba, and Cisco SD-

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: 2025-07-08 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

Information System Security Officer - CI PolyJob Title - Information System Security Officer - CI Poly

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

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Herndon, Virginia, USA

Full-time

Piper Companies is seeking an experienced ISSO- CI Polywho can work onsite in Raleigh, NC.The ISSO - CI Poly will be responsible for the lifecycle of Information Systems and once authorized, the ISSO- CI Poly will maintain compliance with all applicable CONMON requirements. Responsibilities of the ISSO - CI Poly include: Plan, manage and provide support to ensure the completion of all assessment and authorization activities per Intelligence Community Directive 503. Maintain compliance with al

Network EngineerJob Title - Network Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Network Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive Network Engineer to join our team and play a key role in designing, implementing, and maintaining our network infrastructure. In this role, you will ensure the reliability, security, and scalability of our network systems, troubleshoot issues, and optimize performance to meet the needs of a dynamic and growing organi

Android Mobile Reverse EngineerJob Title - Android Mobile Reverse Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

Android Mobile Reverse 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 Android Mobile Reverse Engineer to join our team and tackle complex challenges in analyzing, deconstructing, and understanding Android applications and systems. In this role, you will use your technical expertise to uncover vulnerabilities, enhance system security, and contribute to the development of innovative

Sr Application Security ArchitectJob Title - Sr Application Security Architect

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

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Rockville, Maryland, USA

Full-time

Description Overview The Senior Application Security Architect is responsible for designing, implementing, and overseeing enterprise-wide application security architecture and standards. This role focuses on establishing security frameworks, conducting architecture reviews, developing security baselines, and leading strategic security initiatives that have broad impact across the organization. The position requires a blend of technical expertise, architectural thinking, and leadership to embed s