2,030,788open jobs
120,107companies
251,042added this week
Browse all
Salary
$72k – $150k per year
Location
In office (Sarasota)
Seniority
Middle · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 28, 2026. First seen by Alion on Mar 24, 2026. CACI International scores D on the Alion truth index.

Overview
Company
Impact
Profile match
CACI International is an American technology company founded in 1962 that works almost entirely for United States defence, intelligence and federal civilian agencies. It has moved from being a conventional IT services contractor toward supplying its own technology, with a substantial expeditionary electronic warfare and signals intelligence product line, photonics and optical communications for space, and secure network modernisation. Headquartered in Reston, Virginia, the company employs more than twenty thousand people, the majority holding security clearances, and has grown through a steady programme of acquisitions that add differentiated technology rather than headcount alone.
Job Title: Linux System AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental US* * *

The Opportunity:

CACI has an immediate opening for a Linux Systems Administrator, with a Top Secret Clearance (TS/SCI) with polygraph for our corporate development/test network and fielded systems. CACI is seeking a development Systems Administrator with Linux experience for our Sarasota (FL) location. In this position, the individual will work with emerging technologies in the space domain awareness sector. This sector is focused on ground- and space-based systems that detect, characterize, and predict threats to national and allied space systems. You will participate in system design reviews, create and revise documentation, perform hardware and software integration/configuration,and participate in system testing and software installation. As a Systems Administrator, you will assist with the build, test, and deployment of systems worldwide. You will also be working with the latest Enterprise IT tools to troubleshoot existing systems in the field.

Continental US and international travel may be required up to 10% as well as periodic surge support.

Responsibilities:

  • Support critical Space Domain Awareness missions.

  • Travel to unique and exciting locations.

  • Work the entire lifecycle of the mission system from design, installation, and operations.

  • Participate in system design, software configuration, documentation, testing and troubleshooting.

  • Perform fault-isolation of ground-based satellite system hardware and software working with various stakeholders.

  • Participate in peer-review of system designs to ensure the system meets the technical requirements and conforms with established technical standards.

  • Build, configure and test various system components to reflect design documents.

  • Requires an ability to effectively communicate and work collaboratively with others in a fast-paced environment while multi-tasking.

  • Regularly completes assigned tasks that have a direct impact on project schedule or system functionality.

  • Troubleshoot issues with your assigned system as needed.

Qualifications:

  • Bachelor’s degree (or higher) in Computer Science, Computer Engineering, or related discipline from an accredited college or university with fivee years of related experience.

  • A TS/SCI with Poly or the ability to obtain a Poly is required.

  • Possess an understanding of comprehensive system administration principles, and problem-solving skills.

  • Three years minimum Linux experience with a focus on Red Hat.

  • Competence in MS Office suite including Visio.

  • Participate in system design, hardware and software integration/configuration,documentation, system hardening and testing and delivery that meet the functional requirements of the system.

  • Must be willing to meet all requirements to facilitate a system installation at DoD facility. Knowledge and experience in system administration processes including at least one of the following certifications:

  • A+ CE, CCNA-Security, CND, Network+ CE, SSCP, CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CASP+ CE, CISA, CISSP, GCED, GCIH, CCSP Experience in installation, integration, configuration, tuning, OS patching (IAVA), and network/OS security and troubleshooting of Red Hat Linux servers.
  • Experience with virtualization environments (e.g. VMware, Red Hat Virtualization, KVM) Experience with network attached storage using NFS (e.g. NetApp)

  • Experience with installing and configuring server hardware (HP) and provisioning with Raid and iLO.

Desired:

  • Experience using network monitoring tools.

  • Excellent communication skills in technical, business, and client interactions Experience with Scripting languages (e.g. Perl, Bash)

  • Experience with DevSecOps and respective tools

  • Experience supporting ISSO and ISSEs via technical implementation (e.g. DISA STIG).

  • Experience with network switch hardware, VLANs, and basic troubleshooting (e.g. Cisco IOS)

  • Experience with any infrastructure management tools (e.g. Satellite)

  • Experience with containerization with Kubernetes and Podman background preferred

  • Automation tools (e.g. Ansible, Puppet, Git CI)

  • Experience with Ticket tracking tools (e.g. Atlassian)

  • Experience with Integrated Product Teams

  • Polygraph

This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.

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:

$71,500 - $150,200

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.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,030,788 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

DevOps
Similar stack
Same company
Sarasota
$106k – $181k per year · In office · 7+ years exp · Bachelor's Degree · Buffalo Grove
DevOps
VLAN
Apply
Platform Engineer 21 min ago
≈ $105k – $199k per year (Estimated) · Hybrid · 5+ years exp · Charlotte
AI/ML
AI Agents
DevOps
Datadog
CI/CD
GitOps
Git
AWS
Kubernetes
Self-Healing
Cybersecurity
Wiz
SOC 2
Analytics
ETL/ELT
Management
Agile
Apply
≈ $139k – $266k per year (Estimated) · Hybrid · Full-Time · Cincinnati · Alpharetta
Databases
Apache Iceberg
Apache Kafka
DevOps
GCP
CI/CD
Kubernetes
Apply
≈ $128k – $244k per year (Estimated) · In office · 6+ years exp · Bachelor's Degree · Kirkland
AI/ML
TensorFlow
PyTorch
TPU
DevOps
GCP
SLURM
Kubernetes
Linux
Unix
Apply
$93k – $172k per year · In office · TS/SCI · 10+ years exp · Bachelor's Degree · Melbourne
DevOps
Red Hat
Packer
CI/CD
Jenkins
AWS
Amazon EC2
GitLab
Linux
Windows
Apply
≈ $43k – $72k per year (Estimated) · In office · Full-Time · Toulouse
Python
Bash
AI/ML
InfiniBand
DevOps
Ansible
Red Hat
SLURM
Kubernetes
Ubuntu
HPC
Linux
Apply
$73k – $100k per year (gross) · Hybrid · Master's Degree · Kraków
Python
Bash
AI/ML
Anomaly Detection
DevOps
Terraform
GCP
Red Hat
Chef
CloudFormation
CI/CD
Jenkins
AWS
Kubernetes
Ubuntu
Configuration Management
CentOS Stream
GitHub
GitLab
Linux
Windows
TCP/IP
DNS
DHCP
Management
Scrum
Apply
$110k – $165k per year · Equity · In office · 5+ years exp · Bachelor's Degree · Irvine
Python
Verilog
SystemVerilog
Perl
DevOps
Wi-Fi
Apply
In office · Full-Time · Centurion
DevOps
Terraform
Ansible
Prometheus
Git
Docker
Ubuntu
Grafana
OpenStack
Linux
BGP
Management
Jira
Apply
≈ $46k – $89k per year (Estimated) · Remote (Austria) · Vienna
Python
PowerShell
AI/ML
Anomaly Detection
DevOps
Splunk
Terraform
Ansible
OpenTelemetry
Dynatrace
Azure
Git
AIOps
TCP/IP
DNS
Apply
DevOps Engineer 2 days ago
$90k – $190k per year · In office · TS/SCI · Part-Time · Denver
Python
Java
SQL
Bash
Java
Spring Boot
Databases
Redis
ElasticSearch
Apache Kafka
AI/ML
Claude Code
DevOps
Rest API
FluxCD
Prometheus
GitLab CI
CI/CD
GitOps
ArgoCD
Git
Kubernetes
Grafana
Linux
Management
Agile
Apply
$105k – $231k per year · In office · TS/SCI · Full-Time · 10+ years exp · Bachelor's Degree · Sterling
DevOps
Terraform
Puppet
Ansible
CloudFormation
Packer
AWS
Kubernetes
Proxmox VE
Linux
Apply
$87k – $182k per year · Hybrid · Full-Time · 8+ years exp · Bethesda
Python
DevOps
Splunk
Ansible
Red Hat
VMWare
CI/CD
Docker
Kubernetes
Hyper-V
Linux
DNS
Apply
$132k – $290k per year · In office · TS/SCI · Full-Time · 5+ years exp · Bachelor's Degree · Annapolis Junction
Python
PowerShell
DevOps
CI/CD
Git
Docker
Kubernetes
GitHub
GitLab
Management
Jira
Agile
Defense
DoDAF
Apply
$87k – $182k per year · Hybrid · Full-Time · 8+ years exp · Bethesda
SQL
PowerShell
DevOps
VMWare
Windows Server
Windows
Apply
In office · High School Diploma · Sarasota
Apply
≈ $25k – $57k per year (Estimated) · In office · Full-Time · Sarasota
Apply
Leasing Consultant 1 day ago
≈ $40k – $86k per year (Estimated) · In office · 1+ year exp · High School Diploma · Sarasota
Apply
≈ $39k – $75k per year (Estimated) · In office · Full-Time · 2+ years exp · High School Diploma · Sarasota
Analytics
Microsoft Excel
Apply
$36k – $44k per year · In office · 1+ year exp · High School Diploma · Sarasota
Apply
See all jobs
This is one of many
2,030,788 more open roles from verified company boards, updated every day.