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Senior Systems Administrator
Job Location:
Job Location:
Columbus, NE - USA
Yearly Salary:
USD 100000 - 134900
Yearly Salary:
Posted:
18 September 2026 (18 hours ago)
Posted:
Application Deadline:
16 December 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
Senior Systems Administrator
The administrator plans installs configures maintains supports and optimizes network software and communications links across multiple locations; resolves complex application and connectivity issues; leads day-to-day system administration; and recommends changes that improve capacity performance reliability security and alignment with the organizations business vision.
Nationwide IT Services is a trusted government contractor supporting Department of Defense customers. Join us to work on high-impact cybersecurity missions with experienced professionals in a collaborative growth-focused environment.
Our benefits package includes medical dental and vision insurance; life and disability insurance; a 401(k) plan with employer match; paid holidays; PTO (sick/vacation); commuter benefits; an employee assistance program (EAP); educational reimbursement; and Pet Insurance.
Salary range $100000 to $134900 annually
The salary range is a general guideline. We consider several factors when determining base salary offers including the positions scope and responsibilities the candidates experience education and skills and current market conditions.
| Location | Battle Creek MI $ New Cumberland PA $ Columbus OH $ Ft. Belvoir VA $ Richmond VA $141 152 |
| Security and Certification Requirements | Tier 5 investigation and a Secret clearance. DoD 8570/8140 baseline certification: IAT II or IAT III. Computing environment: Server Admin M and Domain Admin Z for a cloud or Microsoft operating system in accordance with the DLA-approved computing-environment requirement. |
Position Summary
The Senior Systems Administrator ensures the stable secure and efficient operation of enterprise software systems network connections information-management systems servers and applications. This is an onsite position and part of a proposal effort.The administrator plans installs configures maintains supports and optimizes network software and communications links across multiple locations; resolves complex application and connectivity issues; leads day-to-day system administration; and recommends changes that improve capacity performance reliability security and alignment with the organizations business vision.
Key Responsibilities
- Hands-on Windows Server engineering and administration Active Directory server builds monitoring file services migrations patching Group Policy hardening PKI automation and security incident response.
- Plan install configure maintain support and optimize enterprise server platforms network software applications and communication links.
- Organize and direct the configuration operation administration and sustainment of information-management systems.
- Provide local and remote maintenance support for operational systems deployed at multiple locations including general maintenance upgrades new server installations and application deployments.
- Analyze and resolve end-user software system-performance access application and network-connectivity issues.
- Conduct capacity availability and performance analyses and recommend system configuration changes upgrades resource adjustments and technology refresh actions.
- Automate recurring system-administration activities through approved tools and scripts to improve administrator efficiency consistency and accuracy.
- Develop maintain and enforce system-administration procedures operating guides configuration documentation and troubleshooting runbooks.
- Conduct system-administrator training skills assessments knowledge transfer and end-user training.
- Direct and coordinate the work of other system administrators responsible for daily operations system and resource optimization user assistance maintenance and issue resolution.
- Apply advanced technical knowledge of application networking load balancing high availability redundancy and fault tolerance.
- Perform vulnerability management including vulnerability identification assessment prioritization remediation validation and reporting.
- Monitor system health security utilization and reliability; investigate incidents; conduct root-cause analysis; and implement corrective actions.
- Recommend technology direction system architecture modernization priorities and infrastructure improvements that support business and mission objectives.
Required Qualifications
- Ten years of specialized experience in information processing involving multiple hardware and software disciplines and a broad range of enterprise technology solutions.
- At least four years of concentrated hands-on experience installing configuring maintaining supporting and resolving issues with enterprise software and related systems.
- Bachelor of Science or Bachelor of Arts degree in a technical discipline.
- Relevant certification from a nationally recognized technical authority.
- Tier 5 investigation and Secret clearance.
- DoD-approved 8570/8140 baseline certification at IAT II or IAT III.
- Applicable DLA-approved computing-environment qualifications for Server Admin M and Domain Admin Z in a cloud or Microsoft operating-system environment. Microsoft Administrator Associate preferred.
- Demonstrated experience administering enterprise servers applications network services user accounts system resources and security configurations.
- Experience conducting capacity and performance analysis system optimization configuration changes software upgrades and new installations.
- Experience leading or directing other system administrators and coordinating operational priorities across multiple systems or locations.
- Demonstrated knowledge of vulnerability management secure configuration patching remediation validation and system-security practices.
- Excellent interpersonal customer-service technical-writing training troubleshooting and problem-solving skills.
Preferred Qualifications
- Experience automating system-administration and compliance activities with scripts and enterprise-management tools.
- Experience supporting distributed operational systems through both local and remote administration.
- Advanced experience with application networking load balancing high availability redundancy fault tolerance and disaster-recovery support.
- Experience developing administrator procedures delivering technical training and assessing workforce skills.
Why Join Nationwide IT Services
Why Join Nationwide IT ServicesNationwide IT Services is a trusted government contractor supporting Department of Defense customers. Join us to work on high-impact cybersecurity missions with experienced professionals in a collaborative growth-focused environment.
Our benefits package includes medical dental and vision insurance; life and disability insurance; a 401(k) plan with employer match; paid holidays; PTO (sick/vacation); commuter benefits; an employee assistance program (EAP); educational reimbursement; and Pet Insurance.
Salary range $100000 to $134900 annually
The salary range is a general guideline. We consider several factors when determining base salary offers including the positions scope and responsibilities the candidates experience education and skills and current market conditions.
Required Experience:
Senior IC
