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Two Six Technologies

Defense-focused tech firm delivering cyber solutions

Cybersecurity Engineer Senior Manager

Security Engineering & ArchitectureConfirmed live in the last 24 hours
Full-timeArlington County, Arlington, VA, USA$175k - $200k /yr

About the Job

Requirements

  • At least 7 years of relevant professional experience in one or more related areas, such as incident response, vulnerability research, network engineering, or software development, or comparable experience and education.
  • Experience supervising or leading technical staff, including setting priorities and mentoring personnel.
  • Experience supporting military or government defensive cyber missions.
  • Experience researching, evaluating, or validating cybersecurity hardware or software solutions.
  • Experience planning and conducting technical testing of systems, devices, or engineering prototypes.
  • Strong written and verbal communication skills, including the ability to present findings and recommendations to technical and non-technical stakeholders.
  • Active Top Secret clearance with SCI eligibility or access (TS/SCI).

Responsibilities

  • Manage and mentor one direct report, including setting priorities, providing feedback, and supporting career development.
  • Participate in performance management and hiring as needed.
  • Plan and conduct research, evaluation, and validation of cybersecurity hardware and software solutions for assigned work.
  • Apply defensive cyber operations experience to assess mission needs, operational constraints, and candidate solutions.
  • Plan and conduct testing of engineering prototypes, including test procedures, measures of effectiveness, and analysis of results.
  • Conduct hands-on technical analysis and testing, and help resolve technical problems.
  • Communicate technical findings, risks, and recommendations to customers, leadership, and engineering teams.
  • Coordinate with customers and internal stakeholders to clarify requirements and align assigned work to mission needs.
  • Support vulnerability research when customer requirements call for it.
  • Document evaluation and test activities and contribute to repeatable technical processes.

Desired Qualifications

  • Experience with cyber operations platforms, defensive tools, network technologies, or security monitoring systems such as Zeek, Snort/Suricata, or Splunk.
  • Experience evaluating specialized network sensors, hardware networking devices such as FPGA-based firewalls, or software written in Rust or Python.
  • Experience supporting engineering research and development or prototype transition into operational use.
  • Familiarity with vulnerability assessment or research methods.
  • Experience supporting the delivery of successful contracts to military or government customers.

About the Company

Two Six Technologies

Defense-focused tech firm delivering cyber solutions

Two Six Technologies delivers advanced defense-focused tech through rapid R&D in cybersecurity, information operations, data science, electronic systems, mobility, and user experience for U.S. national security clients. Its products and services are built via project-based government contracts, creating custom tools (such as Pulse) tailored to mission needs. The company differentiates itself through direct government partnerships, interdisciplinary expertise, and a focus on delivering mission-ready, actionable solutions rather than generic tech. Its goal is to provide technological superiority for the United States and its partners by enabling rapid, impactful innovation that strengthens national security and defense capabilities.

Company size
501-1,000
Company stage
Early VC
Total funding
$67.9M
Headquarters
Arlington County, VA
Founded
2021

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