Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Principal Vulnerability Researcher

Full-time

Zetier

Principal Vulnerability Researcher

Zetier is seeking Principal Vulnerability Researchers to analyze and counter malicious software and develop operationally critical cyber capabilities. Candidates will demonstrate practical experience designing, developing, and deploying tools intersecting command and control, persistence, and networking.

Required:

  • Highly experienced with reverse engineering compiled programs (C/C++)
  • Highly experienced in reading common assembly languages (x86, x86-64, ARM)
  • Experience developing in scripting languages (Python)
  • Experience with debuggers and decompilers (gdb, Binja, IDA Pro)
  • Ability to obtain and maintain a U.S. security clearance

Desired:

  • Experience developing/defeating mitigations (ASLR, DEP, N^X)
  • Developed defeats of common anti-RE techniques (obfuscation)
  • Detailed understanding of embedded platforms (FPGA, physical memory)
  • Securely implemented cryptographic primitives (AES-GCM, SHA256, ECDSA)
  • Experience with program analysis tools and techniques (control flow, program slicing, taint tracing)
  • Effective use of automated analysis (fuzzers, emulation, sandbox)
  • Deep knowledge of file systems and formats (ELF, PE, Mach-O)
  • Effective communication with customers and teammates
  • Experience developing proof-of-concept exploits
  • Active U.S. security clearance

Zetier is proud to be an Equal Opportunity Employer. We celebrate diversity and do not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status or any other basis protected by law. All employment is decided on the basis of merit, qualifications, and business need.

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Principal Vulnerability Researcher in San Antonio, TX vacancy
  •  ...Principal Vulnerability Researcher Zetier is seeking Principal Vulnerability Researchers to analyze and counter malicious software and develop operationally critical cyber capabilities. Candidates will demonstrate practical experience designing, developing, and deploying... 
    Principal

    Zetier

    San Antonio, TX
    1 day ago
  •  ...Senior Security Researcher Research Innovations Inc. (RII) is redefining defense technology. We combine mission-driven impact with...  ...Program access What You Will Be Doing Leading advanced vulnerability research efforts across operating systems, kernels, firmware,... 
    Suggested
    Local area
    Flexible hours

    Research Innovations

    San Antonio, TX
    19 hours ago
  • $108k - $148k

     ...building and using tools to identify, exploit, and productize vulnerabilities in complex software systems. Responsibilities: We...  ...agility, and competitive offerings. This onsite Vulnerability Researcher position is part of NightWing CODEX, based in Dulles, VA, and... 
    Suggested
    Full time
    Flexible hours

    Nightwing

    San Antonio, TX
    3 days ago
  • Position Title : Senior Security Researcher Location : St. Petersburg, FL | Melbourne, FL | San Antonio, TX Clearance Requirement :...  ...to upgrade to TS/SCI Special Access Program access Research vulnerabilities across operating systems, kernels, hypervisors, firmware, embedded... 
    Suggested
    Full time
    Local area
    Flexible hours

    Researchinnovations.Com

    San Antonio, TX
    2 days ago
  •  ...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... 
    Suggested
    Full time
    Work experience placement
    Flexible hours

    Nightwing

    San Antonio, TX
    19 hours ago
  •  ...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... 
    Full time
    Work experience placement

    Nightwing

    San Antonio, TX
    2 days ago
  • $108k - $148k

     ...building and using tools to identify, exploit, and productize vulnerabilities in complex software systems. We require a BS/MS in a...  ...cyberspace operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence,... 
    Full time
    Work experience placement

    Nightwing

    San Antonio, TX
    3 days ago
  •  ...Job Description Job Description Position Title : Security Researcher Location : St. Petersburg, FL | Melbourne, FL | San...  ...WHAT YOU WILL BE DOING Conducting reverse engineering and vulnerability analysis on applications, OS components, and embedded systems... 
    Full time
    Internship
    Local area
    Flexible hours

    Research Innovations

    San Antonio, TX
    24 days ago
  •  ...Description Job Description Position Title : Skillbridge Security Researcher  Location : St. Petersburg, FL | Melbourne, FL | San...  ...WILL BE DOING Conducting in-depth reverse engineering and vulnerability analysis across various architectures and platforms,... 
    Local area
    Flexible hours

    Research Innovations

    San Antonio, TX
    4 days ago
  • $145.46k - $193.94k

     ...Black Lotus Labs is seeking a remote Threat Intelligence Researcher on the Research & Analysis team focused on tracking advanced...  ...actionable analysis and strategic insights into emerging threats, vulnerabilities, adversary infrastructure, and automation-derived findings,... 
    Full time
    Temporary work
    Remote work

    Lumen

    San Antonio, TX
    3 days ago
  • $108.2k - $162.4k

     ...Principal Or Sr. Principal Cybersecurity Systems Engineer (CSSE) At Northrop Grumman, our employees have incredible opportunities...  ...requirements verification/validation methods Identify and/or assess vulnerabilities and susceptibility to life cycle disruptions, hazards, and... 
    Principal
    Shift work

    Northrop Grumman

    San Antonio, TX
    3 days ago
  • Software Engineer Principal Transform technology into opportunity as a Software Engineer Principal at GDIT. Shape what's next for mission...  .... Leading security assessments, penetration testing, and vulnerability remediation efforts, including developing and implementing... 
    Principal

    General Dynamics

    San Antonio, TX
    4 days ago
  • $160k - $180k

     ...Dark Wolf Solutions is looking for a Principal Product Manager who is interested in working in a fast-paced environment that builds...  ...through development, testing, launch, release branch merges, vulnerability remediation, and ongoing enhancement. Further, they will... 
    Principal
    Full time
    Contract work
    For contractors
    Work at office

    Dark Wolf Solutions, LLC

    San Antonio, TX
    3 days ago
  • Job RecommendationWhen you upload your resume, we provide job recommendations to you. Please confirm you have read and understand how your data may be processed pursuant to the Microsoft Data Privacy Notice and Transparency FAQ.
    Principal

    Microsoft Corporation

    San Antonio, TX
    1 day ago
  • $81k - $90k

     ...Job Description Job Description Principal Investigator Archaeologist San Antonio, TX (On-site) Industry: Civil Engineering...  ...-III archaeological fieldwork . The role involves conducting research, analyzing artifacts, overseeing field and lab operations, and... 
    Principal
    Full time
    Work at office
    Visa sponsorship
    Relocation package

    Global Placement Firm

    San Antonio, TX
    14 days ago
  •  ...Principal Architect Opportunity National award-winning studio and winner of Design Firm of the Year is actively seeking a Principal Architect to join their San Antonio office. The award-winning architecture + design firm specializes in K-12 through college/university... 
    Principal
    Work at office

    Northern Impact

    San Antonio, TX
    4 days ago
  • $108k - $148k

     ...include using full system emulation for research and analysis. Desired skills include...  ...emulation, reverse engineering, vulnerability research, and CNO/CNE tool development...  ...exceptional professionals for this onsite Senior Principal Cyber Engineer role at Nightwing CODEX.... 
    Principal
    Full time
    Local area
    Flexible hours

    Nightwing

    San Antonio, TX
    27 days ago
  •  ...information, please go to Build your legacy at TTL Archeologist/Principal Investigator- Texas We are seeking an experienced, self-...  ..., crew chiefs, and project archaeologists Develop research designs and permit applications for archaeological investigations... 
    Principal
    Full time
    Remote work
    Flexible hours

    TTL Inc

    San Antonio, TX
    22 days ago
  • $1,500 - $2,000 per month

     ...Job Description Job Description Descripción del puesto: Buscamos un transportista principal confiable y con experiencia para realizar viajes de larga distancia desde Missouri a Texas. Este puesto implica recoger perros en varios lugares y entregarlos en un destino... 
    Principal

    Handyman Company

    San Antonio, TX
    16 days ago
  • $370 - $435 per day

     ...School District/Employer: District Category/Employer: Campus, Position: Assistant Principal, Assignment Level: Level ~ Elementary Job Title: Elementary Assistant... 
    Principal
    Daily paid
    Full time
    San Antonio, TX
    24 days ago
  •  ...Engineering Science Division is seeking a highly skilled and innovative principal robotics engineer to join our team. The ideal candidate will...  ...PCB design.About ARA:ARA is an employee-owned international research and engineering company recognized for providing technically... 
    Principal
    Full time

    Applied Research Associates

    San Antonio, TX
    2 days ago
  • $500 per month

     ...Principal Craft Technician - Sr. Craft Technician - Fire & Alarm Life Safety Tech, Fire Protection We are Facility Operationsa service...  ...compliant, and fully operational environment that allows our researchers and staff to focus on their groundbreaking work. By joining... 
    Principal
    Hourly pay
    For contractors
    Local area
    Shift work

    Southwest Research Institute - Hourly

    San Antonio, TX
    19 hours ago
  •  ...Principal, National Healthcare About the Company Technology consulting and engineering firm specializing in integrated technology...  ...involves proactive client relationship development, strategic research, and the identification of strategic partnerships to enhance... 
    Principal

    Confidential

    San Antonio, TX
    1 day ago
  •  ...We are seeking a Principal Project Manager to lead complex municipal water and wastewater programmes from early planning and design through procurement, construction, commissioning, and closeout. This senior client-side role will provide strategic direction across a portfolio... 
    Principal
    Contract work
    For contractors

    EWI Recruitment

    San Antonio, TX
    1 day ago
  • 16-01547 Who We Are: The Tactical Aerospace Department is a premier supplier for aerospace quality complex electronic systems on new and legacy DoW systems. This includes avionics, ground systems, and AI. This position has the ability to work on-site in either our ...
    Principal

    Jobleads-US

    San Antonio, TX
    8 hours ago
  •  ...Vice President, Principal Owner Development & Growth About the Company Top-tier mutual life insurance company Industry Financial Services Type Privately Held, Private Equity-backed Founded 1860 Employees 5001-10,000 Categories Financial... 
    Principal
    Home office

    Confidential

    San Antonio, TX
    3 days ago
  • $86.7k - $173.3k

    Job ID: 31161592Company: Abbott LaboratoriesLocation: United States - Texas - San AntonioJob Type: Full timeCategory: Customer & Technical SupportIndustry: HealthcarePosted Date: 2026-09-16Abbott is a global healthcare leader that helps people live more fully at all stages...
    Principal

    Abbott

    San Antonio, TX
    1 day ago
  • $170k - $185k

     ...Senior Principal - Bank & Credit Union Marketing (Remote) We are seeking an exceptional senior consulting professional to join our team as a Senior Principal, Bank & Credit Union Marketing. This is a unique opportunity for a partner or managing director-caliber individual... 
    Principal
    Remote job
    Contract work

    Vericast

    San Antonio, TX
    3 days ago
  • $106.8k - $176.3k

     ...protect the U.S. and its global allies.Northrop Grumman Mission Systems (NGMS) Sector is looking for you to join our team as a Senior Principal Contract Administrator based out of either San Antonio, TX or Annapolis Junction, MD.What You’ll Get to Do:This position will... 
    Principal
    Contract work
    Work experience placement
    Relocation
    Shift work

    Northrop Grumman Corp.

    San Antonio, TX
    1 day ago
  •  ...one of the largest and most recognized employers in San Antonio? University Health has an exciting opportunity for you as an Epic Principal Trainer. This is a wonderful opportunity to join a company with a reputation for exceptional service and patient care. We are committed... 
    Principal
    Flexible hours

    University Health

    San Antonio, TX
    a month ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Principal Vulnerability Researcher. Be the first to apply!