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Core4ce Careers

An Unwavering Force for National Security

Senior AWS Cloud Systems Administrator



Information Technology --> Cloud

Remote
 • 
ID: 1102-383
 • 
Full-Time/Regular

Core4ce is seeking a AWS Cloud Systems Administrator to support cloud-based infrastructure and platform services for a Defense Health Agency (DHA) program. This role supports the operation, monitoring, and maintenance of AWS-hosted systems within a secure, regulated DoD healthcare environment.

The ideal candidate is early-career, technically motivated, and developing hands-on experience with AWS cloud services, Linux/Windows administration, and automation-enabled operations, while working under the guidance of senior cloud and DevOps engineers.

Key Responsibilities:

  • Manage day-to-day AWS environments, including EC2 instances, AMIs, auto-scaling groups, VPCs, subnets, routing tables, security groups, NACLs, and load balancers
  • Monitor system performance and availability with CloudWatch and other approved tools
  • Provision, configure, patch, and decommission cloud resources following change processes
  • Administer Linux and/or Windows systems hosted in AWS
  • Manage user access, IAM roles, policies, and service accounts following least-privilege principles
  • Support backups, snapshots, and disaster recovery readiness
  • Follow SOPs and runbooks for operational tasks
  • Implement and maintain AWS security best practices, including vulnerability remediation, STIG compliance, and audit support
  • Execute Infrastructure-as-Code (Terraform, CloudFormation) and support CI/CD pipeline operations
  • Provide system inputs for RMF/ATO documentation, security compliance, and DHA/DoD policies
  • Document incidents, changes, and resolutions in ticketing systems
  • Participate in on-call rotations or scheduled maintenance as needed

*This position is designed to be flexible, with responsibilities evolving to meet business needs and enable individual growth.

Required Qualifications:

  • 10+ years of experience supporting cloud, systems administration, or IT operations
  • Active DoD Secret clearance (or ability to obtain and maintain).
  • Foundational knowledge of: AWS core services (EC2, VPC, IAM, S3, CloudWatch), Linux and/or Windows system administration, Networking fundamentals (TCP/IP, DNS, routing, firewalls)
  • Familiarity with ticketing systems and IT service management processes
  • Ability to follow documented procedures and escalate issues appropriately
  • Strong troubleshooting, documentation, and communication skills

 

Why Work for Us?

 Core4ce is a team of innovators, self-starters, and critical thinkers—driven by a shared mission to strengthen national security and advance warfighting outcomes.

We offer:

  • 401(k) with 100% company match on the first 6% deferred, with immediate vesting
  • Comprehensive medical, dental, and vision coverage—employee portion paid 100% by Core4ce
  • Unlimited access to training and certifications, with no pre-set cap on eligible professional development
  • Tuition assistance for job-related degrees and courses
  • Paid parental leave, PTO that grows with tenure, and generous holiday schedules
  • Got a big idea? At Core4ce, The Forge gives every employee the chance to propose bold innovations and help bring them to life with internal backing.

 

Join us to build a career that matters—supported by a company that invests in you.

 

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy), national origin, disability, veteran status, age, genetic information, or other legally protected status.


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