Modeling & Simulation Systems ISSO - 27039

HII's Mission Technologies division•Nellis AFB, NV

6d•$95,626 - $135,013•Onsite

About The Position

HII Mission Technologies is seeking an Information System Security Officer (ISSO) to support the Joint Integrated Test and Training Center – Nellis (JITTC‑N) at Nellis AFB. In this role, you will provide cybersecurity oversight, RMF documentation, system security engineering support, and continuous monitoring for advanced modeling and simulation (M&S) systems—including environments such as the Joint Simulation Environment (JSE), Virtual Air Training System (VATS), and other high‑end virtual training architectures supporting USAFWC/ACC mission sets. You will work as part of an onsite team delivering Advanced Tactics, Training, and Test capabilities across a broad range of simulator and distributed training activities. The ideal candidate brings strong interpersonal skills, deep knowledge of RMF and DoD cybersecurity requirements, and the ability to design, document, and secure complex networked systems. Impact Your work directly enables the secure operation of cutting‑edge simulation environments used to train, test, and prepare warfighters for complex operational missions. By ensuring compliance, mitigating risk, and maintaining a strong cybersecurity posture, you help protect critical systems that shape the future of Air Force tactics and readiness.

Requirements

5 years of relevant experience with a Bachelor’s degree, or
3 years of relevant experience with a Master’s degree, or
0 years with a PhD/JD, or
High school diploma/equivalent and 9 years of relevant experience.
Experience using DISA ACAS, ESS, ePO, and Trellix.
Experience with STIGs, SCAP, SCC, RMF Bodies of Evidence, JSIG, vulnerability scanning, logging tools, LogRhythm, ACAS/NESSUS, and McAfee HBSS.
Strong understanding of RMF processes and cybersecurity compliance requirements.
Ability to work in a fast‑paced, team‑oriented environment with excellent communication and collaboration skills.
DoD 8570 IAT Level II certification (e.g., Security+ CE).
Compliance with DoD Cyber IT/CSWF Program requirements (DoD 8140.03M, SECNAV M‑5239.2).
Must have held an active Top Secret clearance within the last 24 months.
Ability to obtain and maintain a TS/SCI and relevant SAP/SAR access.

Nice To Haves

Bachelor’s degree in Computer Science, Information Systems, or Information Technology.
Advanced degree may substitute for 2 years of experience.
Strong understanding of RMF, JSIG, and RMF Bodies of Evidence.
Experience supporting cybersecurity for M&S systems such as VATS, JSE, DMO, or other virtual training environments.
Experience in cybersecurity, network security architecture, system hardening, auditing/compliance, or systems security engineering.
Experience supporting cybersecurity compliance under NISPOM/DAAPM, JSIG, ICD 503, STIGs, and NIST publications.

Responsibilities

Draft, review, and update RMF artifacts required to obtain and maintain ATO for emerging systems, including advanced M&S environments such as JSE and VATS.
Support cybersecurity compliance and continuous monitoring for virtual training systems, distributed simulation environments, and related mission systems.
Evaluate and document security controls for systems supporting high‑fidelity simulation, virtual air training, and distributed mission operations.
Assist in securing network architectures and system configurations used in environments such as VATS, JSE, and other USAFWC/ACC training systems.
Maintain configuration records for workstations, servers, routers, firewalls, switches, and simulation‑related infrastructure.
Provide cybersecurity guidance to engineering and M&S teams developing or modifying virtual training systems.
Lead Assessment & Authorization (A&A) processes and support ongoing RMF compliance activities.
Report cybersecurity incidents to the ISSM through formal reports and briefings.
Support implementation and enforcement of information system security policies, standards, and methodologies.
Conduct technical analysis, troubleshooting, and coordination with customers, vendors, and internal teams as required.
Provide technical training and product briefings to customers and stakeholders.