Modern Technology Solutions, Inc. logo

Senior Systems Administrator

Modern Technology Solutions, Inc.

Dayton, OHJobSeen 1w agoSeen in employer's feed 1w ago

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At a glance

Compensation
No compensation found
Location
Dayton, OH
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

CompTIA Security+

Job overview

Modern Technology Solutions, Inc. seeks a Systems Administrator to support a government customer at WPAFB, Ohio, safeguarding information systems in a secure environment. The role administers Linux and Windows systems and builds cloud and hybrid-cloud infrastructure, including cloud-native architectures for AWS GovCloud, Azure Government, and on-premises virtualized data centers. It is an in-person position.

Skills & qualifications

RequiredNice to have

Skills

Windows Server AdministrationLinux Systems AdministrationCloud ComputingAWSAzureSystem Standup and ConfigurationGroup PolicyTroubleshootingProblem SolvingCommunicationInterpersonal SkillsEmerging Technology AwarenessTest and R&D Environment SupportStakeholder CoordinationTechnical RecommendationsDoD Security Policy KnowledgeSecurity+Data Transfer Agent

Qualifications

6+ Years Linux AdministrationMaster's in IT-Related Field or Bachelor's With ExperienceCompTIA Security+

Full job description

How you will contribute to our National Security and Defense mission: MTSI is seeking a highly motivated and experienced Systems Administrator to support our team in safeguarding information systems for a government customer at WPAFB, OH. This individual will be responsible for the installation, configuration, maintenance, and troubleshooting of Linux and Windows-based systems in a secure environment. This individual will also be responsible for building out cloud and hybrid cloud infrastructure including the designing of cloud-native architectures targeted for AWS GovCloud, Azure Government, and high-side on-premises virtualized data centers. This role is an in-person role that is located with our government customer's organization at WPAFB. You'll be a great fit for this role if: *You have a passion for information technology, defense, and space systems and advanced technologies. *You understand the urgent need to modernize our defense systems and give our troops the best possible tools. *Paying attention to detail and providing excellent customer service in a professional environment is a skill you excel at. *You are passionate about continuous learning and growth, and you seek opportunities to challenge yourself. *You are driven to make a meaningful impact through your work. Responsibilities: Your essential job functions will include but may not be limited to: *Install, configure, and maintain operating systems, hardware, virtual environments, and network devices to meet program needs *Perform system hardening to ensure compliance with established security policies *Troubleshoot and resolve hardware and software issues *Manage user accounts, permissions, and access controls *Implement and maintain system backups and disaster recovery procedures *Monitor system performance and identify areas for improvement *Collaborate with other IT staff to ensure system stability and availability *Provide technical support to end-users *Maintain accurate documentation of system configurations and procedures *Install and maintain DevSecOps tools (GitLab, Artifactory, etc.) *Install and maintain Atlassian suite of tools (Jira, Confluence, Mattermost) *Install and maintain ACAS suite of tools (Nessus, Tenable SC, etc.) *Working knowledge of compliance frameworks such as RMF, DISA STIGs, and NIST 800-53 Qualifications Required: *Working knowledge of Windows server administration *6+ years of experience administering Linux systems (e.g., Red Hat, CentOS, Ubuntu) *Cloud experience including AWS and Azure *Experience with system standup and configuration including group policy *Excellent troubleshooting and problem-solving abilities *Strong communication and interpersonal skills *Stay current with emerging technologies and best practices in systems administration *Previous work supporting test or research and development environments *Coordinate with program stakeholders, engineers, and other IT professionals to align system capabilities with mission objectives *Provide technical expertise and recommendations for system improvements and upgrades *Must have in-depth knowledge of DoD, National and applicable service and agency security policy, manuals and standards. Must have the ability to work in a dynamic environment and effectively interact with numerous DOD, military/civilian personnel and industry partners Education: *Master's degree in an IT-related field *Bachelor's degree and relevant professional experience can be accepted in lieu of a master's degree *Required Certifications: CompTIA Security+ Even better if you have these desired skills: *Experience as a Data Transfer Agent (DTA) *Experien

How this job compares

Set against the 2,464 open Systems Administrator jobs on Olive Jobs, counted October 28, 2026.

Pay
  • This postingNot listed
  • Ohio median$80–130K/yr36 salary ranges
  • US median$38–47/hr103 hourly ranges
Openings
Olive Jobs lists 87 open Systems Administrator jobs in Ohio and 2,464 across the US. 4% of them nationwide are listed as remote or flexible.
Experience
This posting asks for at least 6 years of experience; Systems Administrator postings that state a minimum ask for 4 years at the median (2,111 postings).
Education
720 of the 2,464 open Systems Administrator jobs (29%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on October 28, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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