security researcher Jobs

1 - 20 of 4,877 Jobs

Security ResearcherJob Title - Security Researcher

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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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

Principal Security ResearcherJob Title - Principal Security Researcher

Request Technology, LLCCompany Name - Request Technology, LLC

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Remote

Full-time

Principal, Security Researcher Salary: Open + Bonus + Stock Options Location: Remote *We are unable to provide sponsorship for this role* Qualifications Strong capabilities in reverse-engineering Windows binaries and applications.Strong familiarity with Windows development practices, low level operating system concepts, and networking.Proficiency with development in scripting languages such as Python or Ruby.Proficiency with development in compiled languages such as C, C++ and/or Rust.Experience

Principal Security ResearcherJob Title - Principal Security Researcher

Request Technology, LLCCompany Name - Request Technology, LLC

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Remote

Full-time

We are unable to sponsor as this is a permanent full-time role A prestigious company is looking for a Principal Security Researcher. This principal will reverse engineer malicious binaries to find ransomware samples. The principal must have experience with languages such as Python, Ruby, C++, Rust, and cryptographic algorithms. Responsibilities: Reverse engineer malicious or unknown binaries to find insights and intelligence in ransomware samples and threat actor toolkitsUse and develop tools

Principal Security ResearcherJob Title - Principal Security Researcher

Request Technology, LLCCompany Name - Request Technology, LLC

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Remote

Full-time

We are unable to sponsor for this permanent full-time role Position is bonus eligible Prestigious Enterprise Security Services Company is currently seeking a Principal Security Researcher. Candidate will contribute to a number of strategic research initiatives to develop the product and services catalogue. Primary focus for this role is to analyze ransomware samples and threat actor tools to gain insights for future product features, threat actor insights, and assist in the validation of our cur

Senior Security Researcher / Reverse Engineer / Malware AnalystJob Title - Senior Security Researcher / Reverse Engineer / Malware Analyst

Request Technology, LLCCompany Name - Request Technology, LLC

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Remote

Full-time

NO SPONSORSHIP - NO OPT's No SPONSORSHIP Senior Product Security Engineer SALARY: $180,000 - 220,000 plus 10% plus pre-IPO stock options LOCATION: remote Looking for a Security researcher proficient in reverse engineer. Experience in analyzing malware understanding of cryptography user in ransomware ability to develop tools to augment existing capabilities endpoint hardening and testing. Join a team of cyber Security Engineers focused on building products and solutions for mid-market and enter

Senior Product Security Engineer Researcher - Reverse EngineerJob Title - Senior Product Security Engineer Researcher - Reverse Engineer

Request Technology, LLCCompany Name - Request Technology, LLC

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Remote

Full-time

No SPONSORSHIP Senior Product Security Engineer SALARY: $180,000 - 220,000 plus 10% plus pre-IPO stock options LOCATION: remote Looking for a Security researcher proficient in reverse engineer. Experience in analyzing malware understanding of cryptography user in ransomware ability to develop tools to augment existing capabilities endpoint hardening and testing. Join a team of cyber Security Engineers focused on building products and solutions for mid-market and enterprise customers. We deliver

Principal Kernel Ransomware EngineerJob Title - Principal Kernel Ransomware Engineer

Request Technology, LLCCompany Name - Request Technology, LLC

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Remote

Full-time

We are unable to sponsor for this permanent full-time role Position is bonus eligible Prestigious Enterprise Security Services Company is currently seeking a Principal Kernel Ransomware Engineer. Candidate will contribute to the Windows agents ability to prevent, detect, respond, and remediate attacks. In this role, you will drive enhancements in multiple product domains. This development will allow the product to better protect customers from the threat of ransomware. Responsibilities: Develops

Network & Systems Security AnalystJob Title - Network & Systems Security Analyst

Accede Solutions IncCompany Name - Accede Solutions Inc

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Tampa, Florida, USA

Contract

Job Title: Network & Systems Security Analyst Duration: 6 Months Location: Tampa, FL/Lutz, FL Shift: Onsite M-F 9am - 6pm (hours may vary on work load & tasks)Complete Description:The Network & Systems Security Analyst is responsible for planning/designing, implementing, and supporting new and existing network, server, and storage infrastructure. This role is also responsible for ensuring all network security controls are in place based on IT Security policy and guidelines.PRIMARY DUTIES AND RES

Security Engineer - Senior Lead Top-Secret ClearanceJob Title - Security Engineer - Senior Lead Top-Secret Clearance

H & R Computer Consulting ServicesCompany Name - H & R Computer Consulting Services

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Washington, District of Columbia, USA

Full-time

Job Title: Security Engineer - Senior - LeadLocation: Washington, DCCertification Required: Certified Information Systems Security Professional ( CISSP ) or Information Systems Security Engineering Professional (ISSEP) and Microsoft Certified Cybersecurity Architect ExpertClearance Required: Active Top-Secret (TS)Salary: $150K-$175KApplication Deadline: Aug. 30, 2025To apply, please follow these steps: Visit .Select the position you are interested in.Review the job details, then click Apply Now

Senior Information Security SpecialistJob Title - Senior Information Security Specialist

Data Intelligence LLC.Company Name - Data Intelligence LLC.

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Clarksburg, West Virginia, USA

Full-time

Data Intelligence, LLC is seeking a Senior Information Security Specialist to join our dynamic team supporting a premier federal agency in Clarksburg, VA. This hybrid role plays a critical part in securing mission-critical systems for the client organization by supporting the operations and maintenance (O&M) of a comprehensive lifecycle security model. This opportunity is contingent upon contract award. Key Responsibilities: The Senior Information Security Specialist will support and ensure the

Senior Network Security EngineerJob Title - Senior Network Security Engineer

Govcio LLCCompany Name - Govcio LLC

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Full-time

Overview: GovCIO is currently hiring for a Senior Network Security Engineer with an active Secret clearance to plan and coordinate IT security programs and policies. This position will be located in Arlington, VA, and will be a fully remote position within the United States. Responsibilities: Plan and coordinate IT security programs and policies. Manage and control changes to systems, assessing the security impact of related changes. Provide security testing for code changes/development and p

Senior Network Security EngineerJob Title - Senior Network Security Engineer

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a Senior Network Security Engineer with an active Secret clearance to plan and coordinate IT security programs and policies. This position will be located in Arlington, VA, and will be a fully remote position within the United States. Responsibilities Plan and coordinate IT security programs and policies. Manage and control changes to systems, assessing the security impact of related changes. Provide security testing for code changes/development and pr

Security Consultant (Data)Job Title - Security Consultant (Data)

Collabera LLCCompany Name - Collabera LLC

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Toronto, Ontario, Canada

Full-time

Must Have: 5-7+yrs of Strong Data Security Consulting Experience Proven experience implementing MS Purview Sensitivity labels Endpoint scanner and agent deployment Lead and support the implementation of MS Purview, with a focus on sensitivity labels and endpoint agents. Deploy, configure, and manage security labels across enterprise environments Perform data discovery using tools such as BigID, Varonis, and Tanium. Conduct technical risk assessments and communicate findings to both Hands-on exp

Scientist, Information Security Systems Engineer (Secret Security Clearance)Job Title - Scientist, Information Security Systems Engineer (Secret Security Clearance)

L3Harris TechnologiesCompany Name - L3Harris Technologies

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Palm Bay, Florida, 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

Sr. Security Architect (Hybrid)- Richmond, VA (Webcam Interview). Need only localsJob Title - Sr. Security Architect (Hybrid)- Richmond, VA (Webcam Interview). Need only locals

HSK Technologies, Inc.Company Name - HSK Technologies, Inc.

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Richmond, Virginia, USA

Contract, Third Party

Job Title: Security Architect (Hybrid) Location: Richmond, VA (Webcam Interview). Duration: Long-Term Contract. Note:In-depth knowledge of NIST 800-53 and other relevant security frameworks to ensure compliance with COV SEC530. Job Overview: We are seeking a highly experienced Security Architect to support the development of System Security Plans (SSPs) for enterprise applications and third-party suppliers. This role involves working closely with business units to assess current security posture

Information Systems Security Specialist IIIJob Title - Information Systems Security Specialist III

Data Intelligence LLC.Company Name - Data Intelligence LLC.

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Philadelphia, Pennsylvania, USA

Full-time

Data Intelligence, LLC is a leading provider of advanced cybersecurity and data analytics services to the U.S. Department of Defense and other federal clients. Our mission is to safeguard national security through innovative technology solutions and expert personnel. We are currently seeking an Information Systems Security Specialist to join our growing team in support of a critical DoD client in Philadelphia, PA, focused on Propulsion, Power & Auxiliary Machinery Systems Cybersecurity. Positi

Appplication Security EngineerJob Title - Appplication Security Engineer

DFND SecurityCompany Name - DFND Security

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Remote

Full-time

We are looking for an Application Security Engineer for a position expected to start right away. The position is expected to be a contract to hire, est hours and work from home. Sorry No 3rd parties or sponsorship available. 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. Responsibilities: Provide application security guidance to globally distributed product development, execution, and support organizat

Cyber Threat Intelligence Analyst/EngineerJob Title - Cyber Threat Intelligence Analyst/Engineer

YoungsoftCompany Name - Youngsoft

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Novi, Michigan, USA

Full-time

Youngsoft, Inc. ( is a global software solutions IT company, delivering digital enterprise business betterment since 1996. Through collaborative engagement and discovery with our clients and vendors, we co-create industry specialized digital products, applications software, process, programs, and project outcomes. Headquartered in metro-Detroit, we leverage "pods" of Subject Matter Experts, Business Analysts, Solutions Architects, Software Engineers, and Project Managers, fused with HyperCare th

Senior I/S Security Risk AnalystJob Title - Senior I/S Security Risk Analyst

DP Professionals IncCompany Name - DP Professionals Inc

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Columbia, South Carolina, USA

Contract

DPP is seeking a Sr. I/S Security Risk Analyst for an opportunity in Columbia, SC. Candidates must be eligible to earn a low-level US security clearance (public trust). Work arrangement: Partial onsite: Onsite Tuesday, Wednesday, Thursday and as needed for important meetings, etc. Highly recommended that the successful candidate is onsite during training as much as possible. W2 position; 12 months Must be eligible to earn a low-level US security clearance, which requires a thorough background se

Cyber Security Engineer III/ Security DeveloperJob Title - Cyber Security Engineer III/ Security Developer

Apidel TechnologiesCompany Name - Apidel Technologies

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Mount Laurel Township, New Jersey, USA

Contract

Job Title: Infrastructure Cyber Security Engineer Location: Mt Laurel Township, NJ 08054 Duration: 04+ Months Contract + Extension till Dec 2026 Work Schedule: 04days onsite/01 day remote(Flexible in reducing onsite days) Team Info: Security development team who are moving from vendor tools to open-source tools.Built tool & scanner in backend application.Onboard network security, devices, connectors built, etc.Working on compliance tools in failover environment.Must Have Skills: Looking for