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Anavation LLC

Full-time|On-site|Washington, DC

Join our cutting-edge team at Anavation LLC as a Senior Security Specialist, where you will play a crucial role in safeguarding our digital assets. This position requires a strategic thinker who is passionate about cybersecurity and has a proven track record in security risk management. You will work collaboratively with various departments to implement secu…

Mar 6, 2026

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Senior Cyber Security Specialist

Prosidian Consulting

Full-time|On-site|Washington

Join our dynamic team at Prosidian Consulting as a Senior Cyber Security Specialist. In this pivotal role, you will leverage your expertise to safeguard our clients’ information systems against emerging cyber threats. You will work collaboratively with cross-functional teams to design and implement robust security measures, conduct vulnerability assessments, and ensure compliance with industry standards.

Feb 13, 2019

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Senior Security Specialist - Security Management Support

Prosidian Consulting

Full-time|On-site|Washington

Prosidian Consulting is seeking a highly skilled Senior Security Specialist with expertise in security management support. This role is critical in ensuring the safety and security of sensitive information and assets within the National Nuclear Security Administration (NNSA). The ideal candidate will demonstrate exceptional analytical skills, a strong understanding of security protocols, and the ability to work collaboratively in a dynamic environment.

Apr 25, 2022

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Senior Security Operations Specialist

Prosidian Consulting

Full-time|On-site|Washington

Join us as a Senior Security Operations Specialist where you will play a vital role in safeguarding our clients' security infrastructure. In this position, you will leverage your expertise to analyze security incidents, implement robust security measures, and ensure compliance with industry standards. Your analytical skills will be essential in identifying potential vulnerabilities and providing strategic security solutions.

Feb 4, 2019

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Senior Physical Security Systems Specialist

Prosidian Consulting

Full-time|On-site|Washington

Join the dynamic team at Prosidian Consulting as a Senior Physical Security Systems Specialist. In this pivotal role, you will leverage your expertise to enhance our clients' physical security strategies, ensuring the safety and integrity of their assets. You will be responsible for evaluating existing security systems, recommending improvements, and overseeing the implementation of advanced security technologies.

Feb 4, 2019

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Senior Physical Security Specialist (PhySS)

CGS Federal

Full-time|On-site|Washington, DC

CGS Federal is actively seeking a seasoned Senior Physical Security Specialist (PhySS) to enhance mission-critical operations for a federal client. In this pivotal role, you will be responsible for maintaining and securing Sensitive Compartmented Information Facilities (SCIF) while ensuring compliance with established physical security standards.The ideal candidate will thrive in a collaborative environment, working closely with cross-functional teams and stakeholders to achieve security objectives.

Apr 6, 2026

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Security Specialist

Gavin de Becker & Associates

Full-time|On-site|Seattle, WA

Gavin de Becker & Associates seeks a Security Specialist based in Seattle, WA. This position centers on client protection and safety in various environments. Role overview The Security Specialist monitors and responds to security concerns as they develop. The work involves assessing potential risks and taking steps to resolve conflicts when needed. Key responsibilities Protect clients in different settings Identify and assess security risks Respond to and resolve conflicts as they occur Requirements Strong skills in risk assessment Proven ability to handle conflict resolution

Apr 27, 2026

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Senior Security Support Specialist - Physical, Personnel, and Industrial Security

CGS Federal

Full-time|On-site|Fort Lewis, WA

Location: Fort Lewis, WAEmployment Type: Full-Time, Senior-Level Department: Administrative and Logistics SupportCGS Federal is on the lookout for a dedicated Security Support Specialist to oversee, assist, and provide guidance on various security operations. Our mission is to address the government's most pressing challenges using innovative technology, and we need individuals who are eager to drive governmental advancements, value teamwork, and are proactive in addressing the needs of others. At CGS, we foster an atmosphere where our team members feel valued and supported while promoting professional development through various educational opportunities.

Feb 16, 2026

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Senior Personnel Security Specialist (PerSS)

CGS Federal

Full-time|On-site|Washington, DC

Join Our Team as a Senior Personnel Security Specialist (PerSS)CGS Federal is actively seeking an experienced and dedicated Senior Personnel Security Specialist (PerSS) to enhance our mission-critical operations for a federal client in Washington, DC.As a key member of our team, you will be responsible for conducting thorough background investigations and overseeing the personnel security clearance processes, ensuring the highest standards of security are maintained.

Apr 6, 2026

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Cyber Security Specialist

Prosidian Consulting

Full-time|On-site|Washington

Join Prosidian Consulting as a Cyber Security Specialist and play a crucial role in safeguarding our clients' digital assets. In this dynamic position, you will be responsible for implementing security measures, conducting risk assessments, and enhancing our cybersecurity protocols to ensure the highest level of protection against cyber threats.

Feb 13, 2019

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Senior Security Engineer - Corporate Security

Lyft, Inc.

Full-time|On-site|Seattle, WA

Join Lyft's Corporate Security team as a Senior Security Engineer, where you'll play a pivotal role in safeguarding our operations and protecting our customers' data. You'll leverage your expertise in security protocols and technologies to identify vulnerabilities and enhance our security posture. Collaborate with cross-functional teams to implement security best practices across the organization.

May 1, 2026

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Cyber Security Penetration Testing Specialist

Prosidian Consulting

Full-time|On-site|Washington

Join our dynamic team at Prosidian Consulting as a Cyber Security Penetration Testing Specialist. In this pivotal role, you will be responsible for identifying vulnerabilities and weaknesses in our clients' systems through comprehensive penetration testing. Your expertise will help enhance the security posture of various organizations, ensuring they remain safe from cyber threats.As a key member of our cybersecurity team, you will collaborate with other professionals to deliver high-quality assessments, provide actionable insights, and contribute to the overall success of our clients’ security initiatives.

Feb 13, 2019

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Junior Security Specialist - NNSA Security Management Support

Prosidian Consulting

Full-time|On-site|Washington

Prosidian Consulting is seeking a dedicated Junior Security Specialist to join our team, providing vital support for the National Nuclear Security Administration (NNSA). This role involves engaging with various aspects of security management, contributing to the safety and integrity of federal programs.

Apr 25, 2022

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Industrial Security Specialist at Palantir | Washington, D.C.

Palantir Technologies

Full-time|On-site|Washington, D.C.

Join a Pioneering OrganizationPalantir Technologies is at the forefront of building innovative software solutions that empower organizations to make informed, data-driven decisions. Our platforms are instrumental in various critical applications—from aiding the development of life-saving medications to predicting supply chain challenges and assisting in locating missing persons.Position OverviewWe are seeking a dedicated Industrial Security Specialist who will be integral to our mission of navigating the complexities of government and industrial security within the U.S. Government (USG) sector. This role is pivotal in supporting various workflows, including physical security, personnel security, and program support, in collaboration with our Facility Security Officers (FSOs) and the broader Industrial Security Team, all aimed at supporting our Department of Defense (DoD) initiatives.As part of our Industrial Security Team, you will manage our personnel clearance program and oversee our secure facilities and systems. You will ensure compliance with security policies, regulations, and processes while facilitating the effective allocation of resources. Your expertise and customer service will be essential in assisting Palantirians in advancing our objectives.We value tenacity and resourcefulness in our Industrial Security Specialists, who are encouraged to challenge conventional practices to explore innovative solutions within intricate bureaucratic frameworks. Your role will involve executing key processes that enhance our responsiveness to customer needs while upholding stringent compliance with their requirements.

Mar 13, 2024

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Security Specialist - Veterans Preferred

Gavin de Becker & Associates

Full-time|On-site|Washington, DC

Role overview The Security Specialist position at Gavin de Becker & Associates centers on protecting individuals and families in Washington, DC. Responsibilities include applying direct security measures and performing ongoing risk assessments. The company values the unique skills and experience that veterans bring, and veterans are strongly encouraged to apply. What you will do Apply security protocols for clients and their residences Carry out security assessments to identify and address possible risks Collaborate with clients to understand their needs and help maintain their safety Veteran support Gavin de Becker & Associates is committed to supporting veterans as they transition into private sector security roles, offering a team environment that recognizes and values military experience.

Apr 27, 2026

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Journeyman Personnel Security Specialist (PerSS)

cgsfederal

Full-time|On-site|Washington, DC

CGS Federal is actively seeking a talented and dedicated Journeyman Personnel Security Specialist (PerSS) to enhance our mission-critical operations for a federal client in Washington, DC.

Apr 6, 2026

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Journeyman Physical Security Specialist (PhySS)

CGS Federal

Full-time|On-site|Washington, DC

CGS Federal is actively seeking a talented and experienced Physical Security Specialist (PhySS) – Journeyman to play a pivotal role in safeguarding mission-critical operations for our federal client in Washington, DC.Key Responsibilities:Ensure the maintenance and security of SCIF environments while adhering to rigorous physical security standards.Engage collaboratively with cross-functional teams and stakeholders to enhance security protocols.

Apr 6, 2026

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Part-Time Corporate Security Specialist

Concentric

Part-time|On-site|Kirkland, Washington

Join our team at Concentric as a part-time Corporate Security Specialist, where you will play a crucial role in safeguarding our assets and ensuring a secure environment for our employees and clients. In this position, you will be responsible for monitoring security systems, conducting risk assessments, and implementing security protocols to protect company property and personnel.

May 1, 2026

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Senior Security Engineer

Truveta

Full-time|$135K/yr - $180K/yr|On-site|Seattle, WA

Senior Security EngineerTruveta is pioneering the world's first health provider-led data platform with an unwavering vision of Saving Lives with Data. Our mission is to accelerate the pace of discovery in healthcare by empowering researchers to find cures more swiftly, equipping clinicians with expert knowledge, and enabling families to make the most informed decisions regarding their healthcare. To realize Truveta's ambitious vision, we are assembling a remarkable team of talented individuals who possess a unique blend of expertise in health, software, and big data. We seek those who resonate with our company values.This position is based out of our headquarters in the Greater Seattle Area and requires onsite presence 5 days per week. #LI-onsiteWho We Are Looking ForAt Truveta, we are rapidly building a diverse and talented team dedicated to overcoming intricate health and technical challenges. We are in search of candidates who are excited by the opportunity to securely leverage data in developing real-world health solutions. Beyond essential qualifications, we value problem solvers, collaborative teammates, and individuals who are eager to engage in meaningful work. Our dedication to security and compliance is paramount, and this role is crucial in ensuring our success.If you are interested in an opportunity to pursue purposeful work, join a mission-driven team, and establish a fulfilling career while enjoying the journey, Truveta could be the perfect fit for you.

Feb 13, 2026

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Expert Physical Security Specialist (PhySS) - SME

CGS Federal

Full-time|On-site|Washington, DC

CGS Federal is actively seeking a highly skilled Physical Security Specialist (PhySS) - Subject Matter Expert (SME) to play a vital role in supporting mission-critical operations for a federal client based in Washington, DC. The ideal candidate will be responsible for maintaining the security and compliance of Sensitive Compartmented Information Facilities (SCIF) and collaborating with various teams to ensure the highest standards of physical security.

Apr 6, 2026

Senior Physical Security Systems Specialist

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