Systems Administrator-Information Assurance

Modern Technology Solutions, Inc. (MTSI) is seeking a Senior Systems Administrator / Information Assurance professional to support our customer at Wright‑Patterson Air Force Base (WPAFB) in Dayton, OH. This role is responsible for designing, maintaining, and monitoring networks, implementing and managing systems, applications, security protocols, and network configurations. The System Administrator resolves network performance issues, applies upgrades, patches, and installs new applications and equipment while delivering technical support and guidance to users.

The candidate will also perform information assurance duties to ensure compliance with cybersecurity standards and regulatory requirements.

• Plan, coordinate, and install applications software and hardware for multiple classified networked systems.
• Administer and maintain assigned multiple systems.
• Develop, review, and modify changes to schedule of operations for successful day‑to‑day operations.
• Optimize the functionality and performance of hardware and software systems and ensure availability, integrity, efficiency, and reliability of servers.
• Identify system problems that are of an unusual or complex nature and develop corrective actions.
• Design data products, processes, or programs that enhance functional area management and provide for increased organization optimization of IT processes.
• Implement formal Information Systems Security Plan while also enforcing Information System Security policies.
• Oversee the installation and configuration of applications software and the establishment of user environments.
• Troubleshoot and analyze unusual or complex hardware and software malfunctions to resolve physical and logical processing problems and recommend acquisition of equipment, software and/or hardware which will resolve operational problems.
• Continuously survey system operation to identify and anticipate potential problems which could lead to loss or serious interruption or compromise of system availability.
• Identify corrective or preventive procedures and take actions to rectify immediate problems and prevent future occurrences.
• Develop proposals to enhance operational use of systems hardware and software and keep abreast of technological advances to ensure continuous optimum service.
• Apply innovative techniques and seasoned judgment to assist management in identifying areas where IT systems can reduce or eliminate labor‑ and time‑intensive manual processes.
• Analyze and diagnose system failures to isolate sources of problems. Performs testing, troubleshoots, and corrects complex or unusual problems involving interface and interoperability of system components such as hardware, systems software, and applications programs.
• Manage installation of system patches and enhancements/updates and ensure system integrity is not compromised.
• Develop standard procedures for account establishment, system maintenance, and system recovery.
• Ensure maintenance and upgrade procedures are established in such a way to minimize disruption to normal business functions of the organization within the installation, including ensuring scheduled backups of servers and the application of upgrades or system patches will have minimum impact.

• Experience:
• Possess minimum of 10 years of relevant work experience.
• Have no less than three (3) years' experience in a Special Access Program (SAP) and/or Sensitive Compartmented Information (SCI) environment within the last five (5) years.
• Minimum of 5 years of experience in system administration or related roles.
• Hands‑on expertise in designing and managing IT systems in operational environments.
• Strong understanding of DoD cybersecurity and information assurance requirements.
• Technical Expertise:
• Proficiency with Windows, Linux, and/or VMware administration.
• Knowledge of network security principles and tools.
• Experience with DISA STIG implementation, RMF compliance processes, and vulnerability assessment tools (Nessus, Splunk, HBSS).
• Knowledge of TCP/IP fundamentals (DNS, DHCP, FTP, SSH, IP CONFIG).
• Experience in Technical Support, Cloud Computing, Information Security, and Compliance.
• Installing, configuring, and…