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Salary
≈ $104k – $201k per year (Estimated)
Location
In office (O'Fallon)
Seniority
Senior · 5+ years exp

Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Oct 14, 2026.

Overview
Company
Impact
Profile match
Headquartered in Reston, Virginia, United States, Amyx is a management consulting and information technology solutions provider specializing in cybersecurity, systems engineering, and enterprise program support for the public sector. Founded in 1999 and operating as a subsidiary of Tetra Tech, the company delivers a broad suite of capabilities, including systems engineering and technical assistance (SETA), acquisition management, financial support services, eDiscovery, and agile application development. By pairing defense-grade IT modernization with specialized domain advisory, the enterprise supports critical mission requirements across U.S. federal defense, intelligence, and civilian agencies - such as the Department of Defense, the Defense Health Agency, and the Department of Homeland Security.

Overview

Amyx is seeking several Information Systems Security Engineers (ISSE) personnel to support the US Transportation Command (TRANSCOM) Senior Information Security Officer (SISO) contract at Scott Air Force Base, IL.

In support of USTRANSCOM risk management processes, the ISSE shall assess potential risks, mitigation measures, residual risks, and provide Security Risk Assessment recommendations to the Government. The individual shall research and advise the SISO and other Government staff on recently developed countermeasures designed to protect command systems from new threats and shall assist in the development, implementation, and administration of effective security programs for approval by the Government and provide guidance, cyber alerts, and best practice information to the appropriate audience.

Responsibilities

  • Conduct risk assessments to determine the risk posed by the integration of new systems or capabilities into the USTRANSCOM environment. • As required, obtain supporting data from other DoD/Federal organizations, vendors, or Internet research to support RMF requirements.• Conduct risk assessments in accordance with the principles of NIST SP 800-30, Guide for Conducting Risk Assessments, and the principles of NIST SP 800-160 Vol I and Vol II, and security best practices. • Maintain current documentation on ISSE processes and procedures and provide direct support for generation and delivery of all required contract deliverables. • Implements security measures in accordance with applicable ICDs, NISP, NIST, and guiding government regulations and local facility procedures.• Conducts ongoing vulnerability testing of the information system to verify security features and operating controls are functional, effective and meet government standards.• Interact with internal and external customers or government security officials to perform security duties, address routine information security matters with employees regarding issues.
  • Must have the ability to communicate accurate information

Technology used:

RMF, NIST, DevSecOps, SSH, HBSS

Qualifications

Required skills:

  • Minimum of 5 years of related experience
  • Secret security clearance
  • DoD 8570 IAT-II Certification
  • Must have proficiency with various computer applications and testing tools (Word, Excel, PowerPoint, DISA STIG Viewer, Nessus, etc.).
  • Must have experience in certification and accreditation process of information systems and ability to write, review and coordinate system security plans.
  • Excellent written and verbal communication skills, demonstrating the ability to present material to senior DoD and non-DoD officials.
  • Able to communicate effectively with senior leaders and customers to clearly present technical approaches and findings.

Desired Skills:

  • BA/BS degree from an accredited university
  • Demonstrated knowledge and understanding of the USTRANSCOM mission
  • IAM-II or greater certification

Benefits include:

  • Medical, Dental, and Vision Plans (PPO & HSA options available)
  • Flexible Spending Accounts (Health Care & Dependent Care FSA)
  • Health Savings Account (HSA)
  • 401(k) with matching contributions
  • Roth
  • Qualified Transportation Expense with matching contributions
  • Short Term Disability
  • Long Term Disability
  • Life and Accidental Death & Dismemberment
  • Basic & Voluntary Life Insurance
  • Wellness Program
  • PTO
  • 11 Holidays
  • Professional Development Reimbursement

Please contact [email protected] with any questions!

Amyx is proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sexual orientation, gender identity, status as a protected veteran, or any other characteristic protected by law. Amyx is a VEVRAA federal contractor and we request priority referral of veterans.

Physical Demands Employee needs to be able to sit at a workstation for extended periods; use hand(s) to handle or feel objects, tools, or controls; reach with hands and arms; talk and hear. Most positions require ability to work on desktop or laptop computer for extended periods of time reading, reviewing/analyzing information, and providing recommendations, summaries and/or reports in written format. Must be able to effectively communicate with others verbally and in writing. Employee may be required to occasionally lift and/or move moderate amounts of weight, typically less than 20 pounds. Regular and predictable attendance is essential.

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