System Administrator

Position Summary Global C2 Integration Technologies is looking for a talented and enthusiastic System Administrator for Mission Systems and Secure Computing Environment (SCE) who supports the operation, maintenance, and security of mission‑critical computing systems in on‑premises operational environments. This role administers hyperconverged infrastructure, virtualized environments, storage systems, and core network services to ensure system availability, performance, and security. Las Vegas, NV / Full‑time / On‑site The position is responsible for maintaining compliance with NIST cybersecurity policies, Risk Management Framework (RMF) requirements, and operational security standards while supporting reliable and resilient system operations. This position is contingent upon contract award. Responsibilities Operate, maintain, and sustain mission‑critical systems supporting operational workloads. Monitor system performance, health, and availability; troubleshoot and resolve issues. Administer hyperconverged infrastructure, including compute, storage, virtualization, and distributed systems. Manage virtual machine lifecycle, resource allocation, and capacity planning. Perform system maintenance including patching, upgrades, configuration management, and system hardening. Implement and maintain security controls in accordance with NIST and RMF requirements, including STIGs, vulnerability remediation, and patch compliance. Monitor systems for cybersecurity threats, anomalies, and incidents, support response, and remediation efforts. Maintain configuration baselines, inventories, and documentation IAW change management processes. Execute system changes and ensure compliance with configuration control procedures. Manage system backups, recovery processes, and disaster recovery activities; validate recovery capabilities through testing. Maintain monitoring, logging, and alerting tools for operational visibility/incident detection. Support system integration, upgrades, installation, and operational deployments. Coordinate with cybersecurity, system engineering, infrastructure, configuration management, and test teams to ensure secure and reliable system operations. Maintain operational documentation and technical artifacts supporting system sustainment. Requirements Bachelor's degree in Information Technology, Computer Science, Information Systems, or related technical discipline, or equivalent experience. 3+ years of experience administering enterprise or mission‑critical computing systems. Experience with virtualization platforms and hyperconverged infrastructure. Knowledge of Linux and Windows system administration. Experience implementing cybersecurity controls and patch management processes. Familiarity with NIST 800-series cybersecurity standards. Experience supporting Secure Computing Environments (SCE). Experience with RMF and security compliance requirements. Experience with system monitoring and logging tools. Desired Qualifications Experience with platforms such as Nutanix, VMware vSAN, or similar technologies. Certified Security+ or higher. Experience with Linux+ or RHCSA. VMware Certified Professional (VCP). Nutanix Certified Professional (NCP). PHYSICAL DEMANDS The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job the employee is regularly required to climb, bend, stretch, walk, sit, use hands to handle or feel; frequently use fingers to type; talk and hear; occasionally stand, kneel, stoop, crouch, bend, twist or reach out; may require lifting or moving 10 lbs.; frequently required to reach with hands and arms. Vision requirements for this position include close vision, distance vision, color vision, peripheral vision, depth perception, and ability to adjust focus. WORK ENVIRONMENT Work environment will have moderate noise when working in an office environment. Additional Information Equal Opportunity Employer - The Company does not discriminate based upon race, religion, color, national origin, sex, sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. All applicants must be able to perform the essential functions of the position, including corresponding core job requirements, with or without reasonable accommodation. Reasonable accommodation may be made to enable individuals with disabilities (and others in accordance with applicable law) to perform the essential functions of the job, consistent with applicable laws and Company policy. Job Type: Full‑time contract Please email inquiries to: View email address on click.appcast.io #J-18808-Ljbffr