Senior Cloud / Systems Administrator

Posted Yesterday
Be an Early Applicant
Hiring Remotely in State Road, IL, USA
In-Office or Remote
75K-158K Annually
Senior level
Information Technology • Consulting • Defense
The Role
Own and operate mission-critical AWS-based infrastructure: build/manage multi-account environments, administer Windows/Linux servers, run Kubernetes/EKS and container platforms, maintain security (IAVA/STIG), perform patching, backups, DR, identity and access management, and collaborate in a SAFe Agile team to ensure availability, performance, and compliance.
Summary Generated by Built In
Job Title: Senior Cloud / Systems Administrator

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: Secret

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

* * *

Senior Cloud / Systems Administrator – Make an Immediate Impact on a High‑Visibility Agile Program

The Opportunity:

Join a fast-paced Agile development program as a core Platform team resource supporting mission‑critical systems in a dynamic AWS cloud environment. In this role, you’ll ensure high availability across multiple servers and applications, drive daily operational excellence, lead long‑term upgrades and migrations, and constantly expand your technical capabilities across a broad ecosystem of tools and platforms. If you love solving complex problems, working with diverse technologies, and owning impactful work, you'll thrive here.

Responsibilities:

Platform & Cloud Engineering

  • Build and manage AWS infrastructure across multi-account, multi-environment landing zones

  • Design and implement system solutions that support mission and enterprise needs

  • Install, configure, deploy, and maintain servers and software across Windows and Linux

  • Monitor system performance, troubleshoot issues, and ensure uninterrupted operations

  • Maintain secure, efficient cloud-hosted infrastructure adhering to best practices

Operations & Infrastructure Management

  • Lead system upgrades, IAVA patching, and STIG compliance

  • Troubleshoot outages and performance issues across compute, network, and storage

  • Implement multi‑region disaster recovery, backup automation, failover, and resilience strategies

  • Manage identity, access controls, firewalls, and backup policies

  • Create and maintain technical documentation, runbooks, and policy guides

Collaboration & Delivery

  • Work within a SAFe Agile delivery model alongside application, data, and security teams

  • Support IaaS, IaC, networking, and security engineering efforts

  • Ensure systems meet contract requirements for performance, availability, and security

Qualifications:
Required: 

  • US Citizenship is required and an active Secret Clearance

  • Proven experience as a System Administrator, Network Administrator, or similar infrastructure role

  • Strong verbal and written communication skills with cross‑functional teams

  • Hands‑on experience with servers, LAN/WAN networking, and patch management in virtual/cloud environments

  • Ability to interpret, distill, and document solution requirements

  • Self‑starter who can work independently with minimal supervision

  • Expertise working with Windows and Linux operating systems

  • Production-level Kubernetes/EKS and containerization experience (Docker/containerd, image building)

  • Active Directory and identity federation integration expertise

  • 7+ years of related experience

  • Bachelor’s Degree or equivalent professional experience

  • Security+ Certification

  • AWS Cloud Certifications

Desired:

  • Familiarity with Git, Jenkins CI/CD, Terraform, Docker

  • Experience with STIG compliance and security patching

  • Knowledge of AWS environments and cloud‑native services

  • Scripting experience (Shell, Perl, PowerShell) and automation technologies

  • Strong Terraform capability (modules, state management, reusable IaC) and Ansible

  • Experience with observability and logging tools (Splunk, CloudWatch)

-

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

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.

Skills Required

  • US Citizenship and active Secret Clearance
  • Proven experience as a System Administrator, Network Administrator, or similar infrastructure role
  • Strong verbal and written communication skills
  • Hands-on experience with servers, LAN/WAN networking, and patch management in virtual/cloud environments
  • Ability to interpret, distill, and document solution requirements
  • Self-starter who can work independently with minimal supervision
  • Expertise with Windows and Linux operating systems
  • Production-level Kubernetes/EKS and containerization experience (Docker/containerd, image building)
  • Active Directory and identity federation integration expertise
  • 7+ years of related experience
  • Bachelor's Degree or equivalent professional experience
  • Security+ Certification
  • AWS Cloud Certifications
  • Familiarity with Git and Jenkins CI/CD
  • Familiarity and strong capability with Terraform (modules, state management, reusable IaC)
  • Experience with Ansible and automation technologies
  • Experience with STIG compliance and security patching (IAVA)
  • Scripting experience (Shell, Perl, PowerShell)
  • Experience with observability and logging tools (Splunk, CloudWatch)
  • Knowledge of AWS environments and cloud-native services

CACI International Inc Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about CACI International Inc and has not been reviewed or approved by CACI International Inc.

  • Healthcare Strength Pay is supported by a broad set of health-plan options across multiple national carriers, with telemedicine and tax-advantaged accounts included. Dental and vision choices are also described as multi-option, which strengthens overall coverage breadth.
  • Leave & Time Off Breadth Flexible Time Off is available for many salaried-exempt roles, while hourly roles accrue PTO, creating multiple time-off pathways by employment class. Paid disability coverage, fixed holidays, and paid leave programs (including parental leave and other leave types) further round out time-off and leave coverage.
  • Retirement Support Retirement support includes a 401(k) match structure described as 50% up to 8% of pay (effective 4%) and an Employee Stock Purchase Plan with a discount. Tuition reimbursement and certification support also add to the overall rewards package that complements core retirement benefits.

CACI International Inc Insights

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The Company
Bristol
17,673 Employees
Year Founded: 1962

What We Do

CACI’s approximately 23,000 talented employees are vigilant in providing the unique expertise and distinctive technology that address our customers’ greatest enterprise and mission challenges. Our culture of good character, innovation, and excellence drives our success and earns us recognition as a Fortune World's Most Admired Company. As a member of the Fortune 1000 Largest Companies, the Russell 1000 Index, and the S&P MidCap 400 Index, we consistently deliver strong shareholder value. Visit us at www.caci.com.

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