Information Systems Security Engineer

Information Systems Security Engineer Job Locations US-IL-O'Fallon ID 2026-4459 Category Defense Type Full Time 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 View email address on click.appcast.io 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. Amyx