System Administrator Lvl – Cloud & Enterprise Infrastructure Security Clearance

Position: System Administrator Lvl 3 – Cloud & Enterprise Infrastructure with Security Clearance
The System Administrator (SA) Level 3 provides senior level operational support, troubleshooting, and technical leadership for enterprise IT systems across cloud and on premise environments. This role manages system infrastructure, supports complex integrations, oversees Tier 1/Tier 2 escalations, and ensures the reliability, security, and performance of UNIX, Windows, and cloud based systems. Responsibilities

• Support implementation, maintenance, and troubleshooting of enterprise IT systems

• Provide Tier 1 and Tier 2 problem identification, diagnosis, and resolution

• Manage daily configuration, operation, and monitoring of IT systems

• Assist users with accessing and using systems and applications

• Resolve issues across client/server, storage, network devices, and mobile devices

• Escalate and communicate technical status updates to agency leadership

• Provide support for dispatch systems and hardware problem resolution

• Optimize system operations, perform capacity planning, and analyze performance

• Provide detailed analysis and feedback for escalated issues

• Configure and manage UNIX and Windows operating systems

• Install OS software, troubleshoot system integrity, and configure network components

• Implement OS enhancements to improve reliability and performance

• Support system design and mission architecture as part of enterprise engineering teams

• Apply working knowledge of system interdependencies within Service Oriented Architectures (SOA)

• Analyze and resolve complex issues involving server hardware, applications, and software integration Technical Requirements

• Experience administering AWS cloud resources, including EC2, S3, VPC, IAM, and other core AWS services

• Expertise with Windows Server 2019/2022, Active Directory, DNS, Certificate Authorities, and Windows 10/11

• Strong administration experience with Linux distributions (RHEL 8/9, Amazon Linux 2023) within AWS environments

• Proficiency with automation tools:
– Salt Stack
– Ansible
– Bash and Python scripting

• Ability to build and maintain automation for provisioning, configuration, and deployments

• Experience deploying and maintaining security related enterprise services:
– McAfee/Trellix agents & ePO
– Tenable Nessus agents
– Big Fix

• Familiarity with tracking and remediating security vulnerabilities across diverse environments

• Experience supporting robust, production grade cloud environments and on premise servers Requirements

• Top Secret/SCI with Full Scope Polygraph — No Exceptions

• 15 years of System Administration experience supporting programs of similar scope and complexity

• Bachelor’s degree in a technical discipline

• Five (5) additional years of SA experience may substitute for the degree

• Must have one IAT Level II certification (CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP)