Information Systems Security Officer (ISSO) / System Administrator

Modern Technology Solutions Inc•Eglin AFB, FL

19h•Onsite

About The Position

Modern Technology Solutions, Inc. (MTSI) is seeking a highly skilled Information Systems Security Officer (ISSO) / System Administrator to join our team supporting the 350th Spectrum Warfare Group at Eglin AFB, FL. This is a dynamic, hands-on role where you will be instrumental in the standup and sustainment of critical systems for the U.S. Air Force's Electronic Warfare mission. As a key member of our team, you will serve a hybrid function, ensuring the confidentiality, integrity, and availability (CIA) of complex information systems. You will be responsible for both the strategic governance and hands-on technical maintenance of systems operating at the Secret, SCI, and SAP levels. The ideal candidate is a proactive and detail-oriented professional with a strong grasp of the Risk Management Framework (RMF), system administration, and program management fundamentals. You will be expected to collaborate effectively with a wide range of stakeholders, from front-line users to high-level Authorizing Officials (AO).

Requirements

5+ years of experience as an ISSO or in a similar cybersecurity role.
3+ years of experience providing IT support for SAP and SCI information systems.
Proven, in-depth experience with the entire Risk Management Framework (RMF) lifecycle and the ATO process.
Demonstrated experience creating security artifacts (SSPs, diagrams, risk assessments).
Strong understanding of Program Management fundamentals.
Ability to perform technical writing for policies, SOPs, and work instructions.
Experience with vulnerability management tools (ACAS, Nessus) and system hardening (STIGs).
DoD 8140 IAM Level I Certification (e.g., Security+ CE).
TS clearance with current in-scope SSBI required
Ability to obtain and maintain SCI/SAP/STO/NATO clearances required.
US Citizenship is required for this position.

Nice To Haves

Cloud Expertise: Experience with cloud architecture and infrastructure (AWS, Azure), particularly in a secure government environment.
Advanced Certifications: CISSP or CISM (fulfills DoD 8140 IAM Level II).
System Administration: Hands-on experience as a System Administrator for Windows and Linux operating systems. OS certifications (e.g., RHCSA, Microsoft Certified) are a plus.
Networking: Network+ certification or equivalent knowledge of network architecture and protocols.
Scripting: Experience with scripting languages (e.g., PowerShell, Bash) for automation.
Background: General knowledge of military platforms, electronic warfare systems, and COMSEC procedures.
Experience working on-site in a government client environment

Responsibilities

Risk Management Framework (RMF): Lead the end-to-end RMF process to obtain and maintain the Authority to Operate (ATO) for new and existing systems.
Security Artifacts & Documentation: Create, review, and maintain all required RMF artifacts, including system security plans (SSPs), network diagrams, and risk assessment reports.
Policy & Procedure Management: Conduct annual reviews of all cybersecurity policies. Create, update, and manage technical documentation, including Standard Operating Procedures (SOPs) and work instructions.
Vulnerability Management: Perform cyber impact evaluations and implement corrective actions for Information Assurance Vulnerability Alerts (IAVAs). Oversee and verify system hardening using tools like STIGs.
Auditing & Monitoring: Utilize security tools such as ACAS (Assured Compliance Assessment Solution) to perform regular system audits and ensure compliance. Monitor system logs and respond to security incidents.
Stakeholder Collaboration: Serve as a primary cybersecurity advisor, effectively communicating risk and strategy to stakeholders including the AO, Wing ISSM, and Squadron Commanders.
System Maintenance: Perform day-to-day maintenance, including server and client updates, software installation, and applying security patches across Windows and Linux environments.
Configuration Management: Implement and maintain a robust configuration management program to ensure the integrity and baseline control of all systems.
User & Account Management: Create and manage system accounts, conduct user training on security protocols, and serve as a point of contact for technical support.
Data Transfers: Securely perform data extractions and transfers between system boundaries with differing classification levels, ensuring data integrity and compliance with all security protocols.
Network & Hardware Support: Provide foundational IT support, troubleshoot hardware and software issues, and ensure network performance meets operational needs.