CACI International

Sr. Systems Administrator

CACI International$105K — $231K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in computer science or related field.
  • 10 years of systems administration experience in enterprise environments.
  • 5 years of experience in DoD or Federal Government settings.
  • Proven history of supporting high-availability, mission-critical applications.
  • Experienced in leading production operations with a focus on infrastructure administration.
  • Must possess an ACTIVE Secret Clearance.

Responsibilities

  • Administer enterprise Windows Server environments for NMMES production systems.
  • Lead software installations, operating system upgrades, and system patching efforts.
  • Monitor system health and performance using enterprise monitoring tools.
  • Troubleshoot complex issues across operating systems, applications, and infrastructure services.
  • Develop PowerShell automation scripts to enhance operational efficiency.
  • Manage Active Directory, Group Policy, DNS, and other enterprise services.
  • Coordinate production releases with development and operations teams.
  • Perform disaster recovery planning and business continuity support.
  • Create and maintain operational and configuration documentation.
  • Support cybersecurity compliance and STIG implementations.
  • Participate in incident response and corrective action planning.
  • Provide Tier III support and mentor junior staff.

Benefits

  • Comprehensive healthcare services.
  • Wellness programs to support employee health.
  • Financial planning assistance.
  • Retirement savings options.
  • Family support resources.
  • Continuing education opportunities to foster career growth.
  • Generous time off policies.
Full Job Description
Job Title: Sr. Systems Administrator

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: Secret

Employee Type: Regular

Percentage of Travel Required: None

Type 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.

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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-$231,100

About CACI International

CACI International Inc is a multinational professional services and information technology company. It provides services to many branches of the federal government including defense, homeland security, intelligence, and healthcare. CACI has approximately 23,000 employees worldwide. The company's mission is to provide enterprise and mission technology services and solutions that best fit the needs of its customers. CACI has been named a Fortune World's Most Admired Company, a Washington Post Top Workplace, and a Forbes Best Employer for Diversity.
Learn more about CACI International
Size
22,000 employees
Market Cap
$7.1 billion
Industry
Net Income
$374.4 million
Founded
1962
5 Year Trend
+7.3%
Revenue
$5.8 billion
NASDAQ

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