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Senior Systems Administrator

InstantServe LLC

Job Title

Position Overview: Responsibilities

  • Administer and support cloud-native infrastructure powering FBI CJIS’s telecommunication systems, with a strong focus on AWS-hosted services, including AWS Connect, EC2, and S3.
  • Perform day-to-day system administration tasks within AWS GovCloud, including provisioning, configuring, monitoring, and patching Linux-based virtual machines.
  • Manage telephony workloads and services within AWS Connect, ensuring high availability, security, and performance for mission-critical communication.
  • Monitor cloud system performance using CloudWatch, CloudTrail, and Splunk, diagnosing and resolving infrastructure issues to maintain 24/7 uptime.
  • Implement and maintain system hardening, encryption, IAM roles, network policies (VPC, security groups), and multi-factor authentication to comply with FBI CJIS security standards.
  • Utilize Infrastructure as Code (IaC) tools such as AWS CloudFormation, Ansible, or Terraform to automate infrastructure provisioning and configuration.
  • Support secure data backup/recovery processes for cloud environments, aligning with federal continuity and audit requirements.
  • Contribute to CI/CD pipelines and DevSecOps practices in collaboration with cloud developers.
  • Participate in SAFe Agile ceremonies, including planning, stand-ups, retrospectives, and system demos.
  • Serve in an on-call rotation, ensuring rapid response to service-impacting incidents in telecommunication systems.

Required Skills and Experience

  • 7+ years of experience administering Linux systems, with at least 3 years of AWS cloud infrastructure experience, preferably within GovCloud or similar secure environments.
  • Deep understanding of AWS Connect operations, call flow configuration, contact lens integration, and AWS Lex/Lambda integration.
  • Experience implementing and managing AWS Identity and Access Management (IAM), CloudWatch, S3, EC2, and CloudFormation.
  • Familiarity with networking concepts in cloud environments including VPC, routing tables, security groups, and load balancing.
  • Hands-on experience automating cloud infrastructure using Ansible, Terraform, or CloudFormation.
  • Knowledge of cloud security best practices, including NIST 800-53 and FedRAMP-aligned controls.
  • Experience working in SAFe Agile environments using JIRA and Confluence.
Vacancy posted 3 days ago
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