Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: TS/SCI with Polygraph
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Local
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We are seeking a highly skilled Systems Administrator Level III to support mission-critical enterprise infrastructure in a secure Department of Defense/Intelligence Community environment. The successful candidate will provide advanced systems administration, network infrastructure support, virtualization, automation, cybersecurity compliance, and enterprise systems maintenance while ensuring high availability, security, and operational readiness.
This position requires an experienced systems administrator capable of working independently, troubleshooting complex infrastructure issues, implementing secure enterprise solutions, and supporting highly classified operational environments.
Required Qualifications
Active TS/SCI clearance with a current Polygraph
Bachelor's degree in Information Technology, Computer Science, Engineering, or related field (additional relevant experience may be substituted for education)
10+ years of progressive Systems Administration experience supporting enterprise IT infrastructure in secure environments
DoD 8570/8140 IAT Level II certification (Security+, CySA+, CCNA Security, or equivalent)
Technical Requirements
Candidates should possess strong experience in several of the following areas:
Administration and support of Cisco ASA, Cisco Firepower, and Palo Alto firewalls, including security policy management, troubleshooting, and enterprise firewall administration.
Configuration, implementation, and maintenance of IPSEC VPNs, secure VPN tunneling (including ASA-to-ASA connectivity), and secure enterprise networking.
Administration of VMware or comparable virtualization platforms, including virtual machine provisioning, maintenance, performance tuning, and lifecycle management.
Experience developing automation solutions using Python and/or Bash, with hands-on implementation of Ansible and Ansible Playbooks for infrastructure provisioning, configuration management, and operational efficiency.
Strong knowledge of enterprise server administration across Windows and Linux platforms, system hardening, patch management, and infrastructure support.
Experience performing IAVA patching, vulnerability remediation, STIG implementation, and maintaining compliance with DoD cybersecurity requirements.
Working knowledge of Secure The Enterprise (STE) and Secure The Network (STN) processes and security initiatives.
Experience utilizing Nessus for vulnerability scanning, analysis, remediation, and continuous security monitoring.
Hands-on experience with hardware installation, rack and stack, structured cabling, equipment deployment, and maintaining accurate infrastructure documentation and network diagrams.
Demonstrated ability to troubleshoot complex systems, networks, and security issues while supporting highly available enterprise environments.
Preferred Qualifications
Experience with one or more of the following is highly desirable:
Containerization technologies including Docker and Kubernetes
Infrastructure as Code (IaC) and configuration management best practices
Enterprise monitoring and logging solutions (Splunk, Elastic, SolarWinds, etc.)
Active Directory, DNS, DHCP, PKI, LDAP, and certificate management
Disaster recovery, backup technologies, and high-availability architectures
Cisco (CCNA/CCNP), Palo Alto (PCNSA/PCNSE), VMware (VCP), Red Hat (RHCSA), or equivalent technical certifications
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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:
$120,800 - $265,800