Senior IT System Administrator

Job Title: Senior IT System Administrator

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: Top Secret

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Continental US

Anticipated Posting End: 3/25/2027

Exciting Career Opportunity: Join Our Team as an Infrastructure Support Specialist!

About the Role:
CACI is seeking a skilled Infrastructure Support Specialist to join our dynamic team dedicated to providing comprehensive Integrated Product Support (IPS) services for the Tactical Integrated Ground Suite (TIGS) System of Systems (SoS). Your expertise will be vital in ensuring warfighting readiness by enhancing the operational availability and mission effectiveness of deployed and future TIGS SoS.

Responsibilities:

• Issue Resolution: Utilize systems analysis techniques and procedures to resolve IT hardware and software infrastructure issues.
• Problem Analysis: Analyze and troubleshoot problems across servers, storage, network connectivity, and user systems.
• System Administration: Provide system administration for assigned infrastructure environments.
• Security Protocols: Establish and maintain security protocols and user access controls.
• System Upgrades: Apply security patches and perform operating system upgrades to ensure system integrity.
• Monitoring and Maintenance: Monitor and ensure the appropriate function of hardware, software, and system specifications.
• Project Support: Support planning, implementation, and deployment of new infrastructure projects.
• Security Standards: Maintain security standards across the technical environment.
• Documentation: Document all configuration changes and system specifications for assigned infrastructure.
• Collaboration: Collaborate with IT teams to maintain optimal infrastructure performance and availability.

Qualifications:
Required:

• An active DoD Top Secret clearance.
• Strong experience with VMware ESXi and vSphere.
• Proficiency in Infrastructure as Code tools such as Terraform or Ansible.
• Experience with containerization technologies like Docker and orchestration tools like Kubernetes (preferred but not mandatory).
• Solid understanding of networking concepts, including VLANs, routing, and firewalls.
• Experience with private cloud platforms such as OpenShift.
• Proficiency in version control systems, particularly Git.
• Experience with monitoring and logging tools such as Prometheus, Grafana, or ELK Stack.
• Strong scripting skills in languages such as Python, PowerShell, or Bash.

Desired:

• Expert-level knowledge of VMware vSphere 8.x, vSAN, and containers (Docker, Kubernetes).
• Deep understanding of TCP/IP, DNS, DHCP, VLANs, and firewall management (Cisco Catalyst/Nexus).

Why Join Us?

• Impactful Work: Contribute to mission-critical projects that enhance global warfighting readiness.
• Professional Growth: Opportunities for continuous learning and career advancement.
• Innovative Environment: Work with the latest technologies and be part of a forward-thinking team.
• Collaborative Culture: Join a supportive team where your skills and ideas are valued.

If you're passionate about infrastructure support and ready to make a significant impact, we encourage you to apply. Be part of a team that values innovation, collaboration, and excellence.

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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:
$75,200-$158,100

CACI 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.