IT Systems Administrator

Mantel Technologies•Columbus, OH

13d•Onsite

About The Position

Mantel Technologies is seeking an IT Systems Administrator in Columbus, Ohio. The position oversees local developer infrastructure, cloud systems, and day-to-day corporate IT operations. It also directly supports embedded engineering project teams on research and development initiatives by designing and building software tools, applications, and computing environments, and maintaining existing codebases and systems. The position is fully onsite and supports Mantel’s Defense Technology division as well as company-wide corporate IT initiatives. The primary focus is administering developer cloud environments on GCP and AWS; securely managing IAM and service accounts; configuring networking; maintaining Linux development servers and Docker-based container environments; and deploying and maintaining internal applications. The role also leads Tier 1–3 IT support, user lifecycle and Google Workspace administration, endpoint provisioning through IBM MaaS360, and cybersecurity and compliance efforts related to CMMC and defense regulatory controls. The role may also contribute to software and application development with engineering teams, including building and maintaining tools, scripts, and applications, and supporting developer workflows, high-performance computing tasks, containerized environments, and custom build tooling. Applicants must be U.S. citizens and able to obtain and maintain a U.S. Government Security Clearance. Mantel describes its work as developing high-impact software and hardware solutions that support survivability and mission readiness. The company is an Equal Opportunity Employer and an E-Verify employer.

Requirements

Bachelor of Science degree in Computer Science, Computer Engineering, Information Systems, or a similar discipline.
Multiple years of professional experience in systems administration, IT operations, or software development.
U.S. citizenship is required.
Ability to obtain and maintain a U.S. Government Security Clearance.

Nice To Haves

Practical experience or familiarity with SQL, JavaScript, or relational databases.

Responsibilities

Administer developer cloud environments on GCP and AWS, securely manage IAM and service accounts, and configure networking such as VPCs, firewalls, and Cloud Armor.
Maintain internal Linux development servers, including patching, SSH access, and resource monitoring.
Manage containerized environments, including Docker, image registries, and persistent storage.
Deploy updates and manage releases for internal applications, ensure uptime, and manage weekly database backups and restoration procedures.
Provide primary Tier 1–3 IT support.
Manage onboarding and offboarding, permissions, licenses, and shared Google Workspace resources, including drives, groups, and calendars.
Provision new laptops using IBM MaaS360, deploy corporate applications, enforce security policies and passcode requirements, and retire devices.
Drive compliance with CMMC requirements and defense regulatory security controls across corporate systems.
Work with developers and technical leads to design, build, and maintain software tools, scripts, and applications using Python and Windows/Linux shell scripting.
Support developer workflows, high-performance computing tasks, containerized environments, and custom build tooling.
Maintain existing codebases and systems and support embedded engineering R&D project teams.