Sr. Systems Administrator

Job Title: Sr. Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * *The Opportunity:CACI is seeking an experienced Systems Administrator V to support the Navy Maritime Maintenance Enterprise Solution (NMMES) program. This senior-level position is responsible for maintaining the reliability, availability, security, and performance of enterprise production environments supporting mission-critical Navy logistics and maintenance applications used by public shipyards, intermediate maintenance facilities, and fleet activities worldwide.The Systems Administrator V serves as the technical lead for production operations, providing advanced systems administration, troubleshooting, automation, infrastructure modernization, and operational support across Windows-based server environments. This individual will work closely with Operations, Cybersecurity, Database Administration, Network Engineering, Application Development, and Government stakeholders to ensure high availability and compliance with DoD security requirements.Responsibilities:Administer and maintain enterprise Windows Server environments supporting NMMES production systems.Lead production deployment activities, software installations, operating system upgrades, and system patching while minimizing operational impact.Monitor production system health, availability, capacity, and performance using enterprise monitoring tools.Troubleshoot and resolve complex production issues spanning operating systems, application servers, storage, networking, authentication, and infrastructure services.Develop and maintain PowerShell automation scripts to improve operational efficiency and reduce manual administration.Manage Active Directory, Group Policy, DNS, DHCP, certificate services, and enterprise authentication services.Support VMware virtual infrastructure including provisioning, maintenance, performance optimization, and lifecycle management.Coordinate production releases with Development, Configuration Management, Database Administration, and Operations teams.Perform disaster recovery planning, backup validation, system restoration testing, and business continuity support.Maintain configuration documentation, operational procedures, standard operating procedures (SOPs), and technical diagrams.Support cybersecurity compliance activities including STIG implementation, vulnerability remediation, audit support, and security patch management.Participate in incident response, root cause analysis, and corrective action planning for production outages.Provide Tier III operational support and mentor junior systems administrators.Qualifications:Required: Bachelor's degree in computer science, Information Systems, Engineering, or related technical discipline.Additional relevant experience may substitute for education.Minimum 10 years of systems administration experience supporting enterprise environments.Minimum 5 years supporting DoD or Federal Government production environments.Experience supporting highly available, mission-critical enterprise applications.Demonstrated experience leading production operations and infrastructure administration.ACTIVE Secret Clearance with the ability to maintain eligibility.-What You Can Expect: A culture of integrity.At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.An environment of trust.CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.A focus on continuous growth.Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.The proposed salary range for this position is: $105,100-$231,100CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.Department:Infrastructure/System Administration