Security Specialist Jobs in ashburn,va

141 - 160 of 350 Jobs

Linux / Unix Systems AdministratorJob Title - Linux / Unix Systems Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

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Reston, Virginia, USA

Full-time

Linux / Unix Systems Administrator 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 Linux / Unix Systems Administrator to join our team and ensure the stability, security, and efficiency of our systems infrastructure. In this role, you will be responsible for managing, monitoring, and maintaining Linux and Unix servers, troubleshooting system issues, and implementing soluti

Network AdminJob Title - Network Admin

NightwingCompany Name - Nightwing

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Sterling, Virginia, 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

Test & Evaluation Engineering Support Specialist (CWL)Job Title - Test & Evaluation Engineering Support Specialist (CWL)

General DynamicsCompany Name - General Dynamics

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Manassas, Virginia, USA

Full-time

Basic Qualifications Requires a Bachelor's or Technology degree in Engineering or a related specialized area/field, or equivalent (4 years job-related experience). Must have experience with one of the following skills: the AN/BLQ-10, AN/BYG-1, Submarine Weapon Launchers, or AN/BQQ-10 systems. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibili

Linux / Unix Systems AdministratorJob Title - Linux / Unix Systems Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

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Chantilly, Virginia, USA

Full-time

Linux / Unix Systems Administrator LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dedicated and detail-oriented Linux / Unix Systems Administrator to join our team and ensure the stability, security, and efficiency of our systems infrastructure. In this role, you will be responsible for managing, monitoring, and maintaining Linux and Unix servers, troubleshooting system issues, and implementing sol

Software Assurance Cybersecurity Specialist (Zero Trust/AI)Job Title - Software Assurance Cybersecurity Specialist (Zero Trust/AI)

GovCIOCompany Name - GovCIO

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Washington, District of Columbia, USA

Full-time

Overview GovCIO is looking for a Software Assurance Cybersecurity Specialist (Zero Trust/AI) with a TS/SCI clearance in Washington, DC. This is is a hybrid schedule, 2-3 days onsite weekly. Responsibilities Function as the Supply Chain Risk Management (SCRM) point of contact Develop SCRM implementation roadmaps with built-in Zero Trust and Enterprise Audit related actions included Conduct software source code reviews using automated tools and manual processes and provide recommended changes

Active Directory AdministrationJob Title - Active Directory Administration

Serenity Info Tech, Inc.Company Name - Serenity Info Tech, Inc.

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Remote

Contract, Third Party

Title: Active Directory Administration Location: Raleigh NC ( Remote ) Duration: 12 Months Client: State of North Carolina Job Description: The candidate will be allowed to work remotely until all staff return to site. At that point the candidate will be required to come onsite. ** Remote work for contractors is at the discretion of management and will be reviewed on an ongoing basis. ** DOT WILL NOT ship their equipment, so the candidate must come onsite during onboarding to pick up the state

Palo Alto SME Deployment SpecialistJob Title - Palo Alto SME Deployment Specialist

Alltech Consulting Services, Inc.Company Name - Alltech Consulting Services, Inc.

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Remote

Contract

Position: Palo Alto SME Deployment Specialist Type of hire: C2C Location: Palo Alto-CA-Remote Domain: Banking / Network & Security Need 12+ Years Candidate Only Job Summary: We are seeking a skilled and experienced Palo Alto Networks SME (Subject Matter Expert) to lead and support the deployment of Palo Alto firewalls and security solutions across enterprise environments. The ideal candidate will bring deep technical expertise, strong hands-on experience with deployment, and the ability to work

Systems Engineer (Microsoft)Job Title - Systems Engineer (Microsoft)

General DynamicsCompany Name - General Dynamics

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Newington, Virginia, 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 Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Complex Systems, Microsoft Windows, Systems Architecture Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as an Systems Engineer (Microsoft) supporting a DOD

Cyber Defense Ops SpecialistJob Title - Cyber Defense Ops Specialist

Citizens BankCompany Name - Citizens Bank

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Remote or Johnston, Rhode Island, USA

Full-time

Job Description The Cyber Defense Ops Specialist is an individual contributor in the Cyber Defense Threat Detection (CDTD) Cyber Defense Operations Center (CDOC), responsible for performing security monitoring, intrusion analysis, incident handling, data loss prevention, privileged user monitoring, security incident management, malware detection/eradication, and recognizing hacker/incident response tactics, techniques, and procedures. This role requires the incumbent to stay current with securi

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

Alpha SiliconCompany Name - Alpha Silicon

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Third Party, Contract

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-

Senior Specialist, Systems Engineer - Flight Safety Test Coordinator and Team LeadJob Title - Senior Specialist, Systems Engineer - Flight Safety Test Coordinator and Team Lead

Harris CorporationCompany Name - Harris Corporation

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Springfield, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Archer System Administrator and Data Management Specialist - NNSA RMFJob Title - Archer System Administrator and Data Management Specialist - NNSA RMF

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

Specialist, Integration/Test EngineerJob Title - Specialist, Integration/Test Engineer

Harris CorporationCompany Name - Harris Corporation

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Herndon, Virginia, USA

Full-time

Systems Engineer (Microsoft)Job Title - Systems Engineer (Microsoft)

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Newington, Virginia, USA

Full-time

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

Cybersecurity Implementation EngineerJob Title - Cybersecurity Implementation Engineer

General DynamicsCompany Name - General Dynamics

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Springfield, Virginia, 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: Cyber Defense, Cybersecurity, Technical Knowledge Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Responsibilities: Build, deploy, configure, and maintain on-premises and cloud-based cybersecurity in

F5 Network EngineerJob Title - F5 Network Engineer

SAICCompany Name - SAIC

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Remote

Full-time

Job ID: Location: REMOTE WORK, GA, US Date Posted: 2025-07-21 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: Yes Description SAIC is seeking a highly skilled Network F5 Engineer to join our team and manage complex IT infrastructures for critical Department of the Navy systems. Key Responsibiliti

F5 Network EngineerJob Title - F5 Network Engineer

SAICCompany Name - SAIC

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Remote

Full-time

Job ID: Location: REMOTE WORK, WV, US Date Posted: 2025-07-21 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: Yes Description SAIC is seeking a highly skilled Network F5 Engineer to join our team and manage complex IT infrastructures for critical Department of the Navy systems. Key Responsibiliti

F5 Network EngineerJob Title - F5 Network Engineer

SAICCompany Name - SAIC

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Remote

Full-time

Job ID: 2507748 Location: REMOTE WORK, SC, US Date Posted: 2025-07-21 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: Yes Description SAIC is seeking a highly skilled Network F5 Engineer to join our team and manage complex IT infrastructures for critical Department of the Navy systems. Key Respo

F5 Network EngineerJob Title - F5 Network Engineer

SAICCompany Name - SAIC

•

Remote

Full-time

Job ID: Location: REMOTE WORK, LA, US Date Posted: 2025-07-21 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: Yes Description SAIC is seeking a highly skilled Network F5 Engineer to join our team and manage complex IT infrastructures for critical Department of the Navy systems. Key Responsibiliti