What are the responsibilities and job description for the Senior System Administrator position at Reflexive Concepts?
Reflexive Concepts is seeking a skilled Senior System Administrator!
- Join an existing team providing Life Cycle Sustainment (LCS) activities for commercial and custom-developed education, learning, and training applications. This is a self-motivated role on a fast-paced team, requiring a willingness to take on challenges in a collaborative environment.
- Perform IAVA patching and reporting across enterprise systems.
- Maintain and administer Windows Server (various versions) and Linux server environments in a hybrid infrastructure.
- Provide troubleshooting, maintenance, and operational support for IT systems, including both on-premise and cloud-hosted environments.
- Execute patching, software maintenance, and upgrades for Linux and Windows systems.
- Implement and manage Windows Group Policy Objects (GPOs) and perform PowerShell scripting for automation and administrative tasks.
- Utilize AWS services, including EC2, Lambda functions, CloudFormation, and cloud-native scripting to automate deployments and manage cloud infrastructure.
- Support infrastructure-as-code initiatives using Ansible and Terraform for automation, configuration management, and provisioning.
- Develop and maintain system scripts and automation tools to streamline operations and improve system reliability.
- Fifteen (15) years of experience as an SA in programs and contracts of similar scope, type, and complexity.
- A bachelor’s degree in a technical discipline from an accredited college or university. Five (5) years of additional SA experience may be substituted in lieu of a bachelor’s degree.
- DoD 8570 compliance with Information Assurance Technical (IAT) Level I, as specified in the individual TTOs.
- Proficiency maintaining various versions of Windows Server, including hardening, patching, upgrading, and disk management.
- Linux server experience, including patching and software maintenance.
- Experience with IAVA patching and reporting.
- Experience maintaining and upgrading various types of installed software.
- Skilled in problem solving and troubleshooting of computer systems and software.
- Strong background as a hybrid Linux/Windows System Administrator.
- Hands-on experience with AWS cloud services (Lambda, CloudFormation, EC2, IAM, etc.).
- Proficiency with scripting and automation tools: Ansible, Terraform, PowerShell, Bash, and Python (preferred).
- Experience administering Windows environments, including Active Directory and Group Policy Management.
- Solid understanding of cloud security practices, patch management, and compliance reporting.
- Strong troubleshooting and problem-solving skills in both Linux and Windows environments.
- Ability to work independently and collaboratively in a fast-paced, mission-focused team environment.