Hiring: Senior Systems Administrator (Cleared) - TEG Company: Kentro Location: Springfield, VA Job Posted Time: 2026-09-10 10:30:46 Employment Type: On-site Target Skills & Keywords : AWS, Apache, Bash, CentOS, CloudFormation, CloudWatch, DNS, EC2, Encryption, HTML, IAM, IaC, JavaScript, Lambda, Linux, MySQL, PHP, PowerShell, Python, RDS, Red Hat, S3, SQL, Shell, Spark, VPC, Windows Server About the job Required Skills: •Design, deploy, configure, secure, monitor, and manage a variety of cloud-based infrastructure components hosted within multiple cloud providers, including Amazon Web Service’s VPC, EC2, RDS, Lambda, S3, Cloud Formation, CloudWatch, IAM, etc. •Install, configure, secure, upgrade, and maintain multiple operating systems such as Red Hat Enterprise Linux, CENTOS, and Windows Server in accordance with DoD, IC, and NGA policies. •Maintain several enterprise-class web analytics collection platforms utilizing PHP, MySQL, Apache, and other similar technologies. •Troubleshoot, document, and fix complex system, network, and database issues. •Perform daily, weekly, and monthly system health checks and backups. •Evaluate and install application and operating system security patches while maintaining a log of system problems, errors, failures, trends, and downtime metrics. •Maintain hardware and software inventory lists and install software releases and upgrades. •Create and manage application user accounts and access control using least privilege methodologies. Qualifications: •Deep experience with AWS (VPC, EC2, RDS, Lambda, S3, IAM, CloudFormation, CloudWatch). •Cloud architecture design, deployment, security hardening, and monitoring. •Infrastructure‑as‑Code (IaC) and automation best practices. •Operating Systems Management •Advanced administration of Red Hat Enterprise Linux, CENTOS, and Windows Server. •OS installation, configuration, upgrading, securing, and patching in compliance with DoD, IC, and NGA policies. •Operational familiarity with STIGs and security hardening methodologies. •Expertise with Apache, PHP, MySQL, and enterprise‑class web analytics platforms. •Managing and optimizing web servers, databases, and application environments. •Strong diagnostic ability across systems, networks, and databases. Compensation: •Flexible work environment (work from home / hybrid options) •Competitive benefits and rewards package Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!