Senior Technical Lead

Arlington, VA Until 9/21/2026 First posted July 23, 2026 Last posted July 23, 2026
Job description

Zetier is looking for a Senior Technical Lead with a strong foundation in cybersecurity, programming, and problem-solving to support efforts in Arlington, VA.

Requirements:

  • Excellent technical knowledge and skills in/with the following:
    • Low-level software development (C/C++, uBoot, kernel drivers)
    • Reverse engineering compiled programs (C/C++)
    • Reading common assembly languages (x86, x86-64, ARM)
    • Developing in scripting languages (Python)
    • Debuggers and decompilers (gdb, Binja, IDA Pro)
    • Operating system internals (Linux, Windows, mobile, embedded)
  • Experience in people and project management
  • Effective communication with customers and teammates
  • Ability to multi-task and work under pressure
  • Active US Security Clearance (TS/SCI)

Desired Qualifications:

  • Networking experience (802.11ac, Zigbee, GSM, SATCOM, SDN, UHF/VHF, 5g)
  • Securely implemented cryptographic primitives (AES-GCM, SHA256, ECDSA)
  • Integration with standard system libraries (POSIX, WIN32 API, socket API)
  • Development on embedded platforms (uBoot, drone firmware, IOT)
    Developed software on mobile platforms (Android, iOS)
  • Successfully led engineering teams (DEV/RE/VR)
  • Developed/patched version control software itself (git, svn, mercurial)
  • Worked with DoD/IC customers in support of technical operations
  • Experience writing technical proposals and white papers
  • Strong organizational skills

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.

About this role

Summary

Lead cybersecurity projects, develop low-level software, reverse engineer, and manage teams.

Job title

Senior Technical Lead

Experience level

senior level

Industry

cybersecurity

Location requirements

Arlington, VA, on-site; remote not specified

Salary

Not specified

Management role

Yes

Skills & keywords

Required skills

C/C++PythongdbIDA ProLinuxWindows

Preferred skills

networkingcryptographyembedded platformsmobile platformsteam leadershipversion control

Specializations

low-level software developmentreverse engineeringassembly languagesscripting languagesoperating system internals
Locations

Structured locations inferred from the posting.

Arlington, VA, USA

On-site City