Systems Administrator

Description

Overview We are seeking a mission-focused and security-cleared Systems Administrator with deep experience in AWS GovCloud (US) to support classified Department of Defense (DoD) cloud infrastructure. The successful candidate will architect, manage, secure, and maintain resilient systems and services operating within AWS GovCloud, ensuring compliance with DoD regulations and security frameworks. Responsibilities Administer and maintain AWS GovCloud (US) infrastructure supporting DoD classified workloads at IL4/IL5/IL6 levels. Ensure full compliance with DoD cybersecurity standards including RMF, DISA STIGs, FedRAMP High, and NIST SP 800-53 controls. Design and manage EC2, S3, RDS, IAM, CloudTrail, CloudWatch, VPC configurations, and other AWS GovCloud services in classified environments. Implement and enforce Zero Trust Architecture (ZTA) principles within AWS environments, including robust IAM, multi-factor authentication, and role-based access control. Manage system patching, backups, logging, and compliance scans using SCAP, ACAS, and other DoD-approved tools. Collaborate with Information Assurance teams to support ATO (Authority to Operate) packages, Plan of Action and Milestones (POA&Ms), and continuous monitoring activities. Implement logging and alerting using CloudWatch, AWS Config, and Security Hub, integrating with SIEM tools like Splunk or ELK stack as needed. Provide Tier 3 support for escalated infrastructure issues; perform root cause analysis and contribute to incident response as required. Maintain detailed documentation, diagrams, and SOPs for all AWS GovCloud system operations. Qualifications Requirements: Active DoD Secret Clearance(TS/SCI preferred). IAT Level II or III certification (e.g., Security+ CE, CASP+, CISSP). 3+ years of hands-on systems administration experience, with experience managing secure workloads in AWS GovCloud. Working knowledge of AWS GovCloud services, including EC2, IAM, S3, RDS, VPC, CloudWatch, and KMS. Proficiency in Windows Server environments. Understanding of DoD cybersecurity requirements including RMF, DISA STIGs, and NIST 800-53 control families. Automation experience with scripting and IaC tools (e.g., Bash, Python, PowerShell, Terraform, CloudFormation). Experience with centralized logging, monitoring, and alerting in AWS environments. Excellent documentation, communication, and troubleshooting skills. Preferred (in addition to requirements): Experience with IL5/IL6 workloads or classified enclaves in AWS GovCloud. Familiarity with AWS Organizations, Service Control Policies (SCPs), in classified environments. Knowledge of CCRI, or experience working with DISA and other government assessment teams. Exposure to DevSecOps pipelines, CI/CD tools, and containerized deployments (e.g., ECS, EKS).

Skills

Windows, System administrator, Cloud

Top Skills Details

Windows,System administrator,Cloud

Additional Skills & Qualifications

GIS/Geospatial/ESRI experience is a huge plus

Experience Level

Intermediate Level

Job Type & Location
This is a Contract to Hire position based out of Scott Air Force Base, IL.
Pay and Benefits
The pay range for this position is $34.00 - $42.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a fully onsite position in Scott Air Force Base,IL.
Application Deadline
This position is anticipated to close on May 15, 2026.

About TEKsystems

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.