HART Systems Administrator

CACI International

remote global$75k-$158k/yrPosted Jan 21, 2026
Posting intelligenceMay be filled, listed long ago

Skills

cloudformationconfluencekubernetesterraformpostgresansibledockerpythonmysqljiraaws

About the role

Job ID

329199

Job Title: HART Systems Administrator

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: None

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

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The Opportunity:

CACI is seeking a System Administrator to join our technical operations and maintenance team on a contract supporting Department of Homeland Security. This role is primarily focused on systems administration, maintenance and support, and will respond to monitoring alerts, and manage incidents to resolution in a 24/7/365 environment. They will work closely with other operations and engineering teams to quickly identify issues impacting the HART tool, triage, resolve incidents, document for root cause analysis, and complete pre-defined patch management.

Shift: 4pm to Midnight, MON-FRI

Responsibilities:

As a System Administrator your responsibilities include:

Respond to HART system and networking alerts, triage, troubleshoot, and resolve incidents.

Work closely with other support teams to ensure incident events are handled in a timely manner.

Maintain STIGs and patch compliance of Windows and RHEL operating systems

Maintain STIGs and patch compliance of WebLogic, Tomcat, ActiveMQ, and Apache Camel middleware and application servers

Maintain STIGs and patch compliance of Active Directory, MySQL, and Postgres SQL databases and infrastructure

Monitor pre and post patch system health via Dynatrace/Splunk

Monitor and perform health checks of systems critical to infrastructure including servers.

Document, track, and coordinate incidents in ServiceNow.

Perform Tier II-level administration tasks to ensure HART system operations are sustained

Escalate unresolved issues to Tier III.

Assist with postmortem related activities and support various efforts related to operational improvements.

Based on recommendations from management, implement new and improved processes, change processes, perform new tasks, create reports, and address ad-hoc requests.

Contribute to documentation in the Knowledge Base, Standard Operating Procedures (SOP), work instructions, and job aids.

Perform additional duties as assigned.

Qualifications:

Required:

Ability to obtain DoD Security Clearance

Ability to obtain Department of Homeland Security (DHS) Entry On Duty (EOD) - Active EOD preferred

BA/BS + 7 years of applicable experience

ITIL Foundation certification (not required to start but expected to attain in first six months)

Ability to work the following shift: MON-FRI 4pm - Midnight

Ability to perform in-depth RHEL administration, Windows administration and RH Satellite management.

Experience with AWS (EC2, VPCs, RDS, IAM) and ability to perform hardening and patch cycles

Can perform Ansible automation and Terraform/CloudFormation

Strong experience with STIGs and patch compliance

Experience using Service Now service management software, Jira, and Confluence

Experience using Splunk, Dynatrace, and Tenable monitoring and security tools

Experience using AWS native tools for DevOps and automation

Ability to learn new technologies quickly (servers, switches, virtual hosts, etc.)

Desired:

The following certifications are highly desired:

Certified Kubernetes Administrator (CKA)

AWS Certified DevOps Engineer – Professional

Red Hat Certified Engineering (RHCE)

ITILv45 Foundation

Experience with multi-cloud environments, disaster recovery, and performance tuning of database and application servers

Experience with containerization technologies (i.e. Docker)

Familiarity with scripting languages (i.e. Python, Shell, etc.)

Experience with configuration management tools beyond Ansible (i.e. Puppet, Chef, etc.)

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.

Since this position can be worked in more than one location, the range shown is the national average for the position.

The proposed salary range for this position is:

$75,200-$158,100

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