Nakupuna Companies
Overview
Nakupuna Prime is seeking a Senior System Administrator to support the Army Human Resources Command during the contract transition phase between December 12-26, 2025. The role maintains, supports, and optimizes web-based systems, application servers, and related infrastructure, ensuring availability, performance, and security through system administration, troubleshooting, patching, and configuration management.
Responsibilities Web Server & Application Administration
Install, configure, and manage web servers and application servers such as Apache, NGINX, IIS, Tomcat, WebLogic, or WebSphere.
Monitor and maintain web applications and backend services to ensure availability and performance.
Manage SSL/TLS certificates, domain configurations, and DNS entries related to web operations.
Support deployment of web-based applications and updates in collaboration with development teams.
System Administration
Install, configure, maintain, and patch Linux and/or Windows servers supporting web services.
Manage user accounts, permissions, and system security settings in accordance with organizational policies.
Monitor system performance, capacity, and resource usage, proactively addressing emerging issues.
Automate routine tasks using scripts or configuration management tools.
Troubleshooting & Support
Diagnose and resolve issues related to web servers, middleware, operating systems, and underlying infrastructure.
Provide Tier II/III support for incidents involving web services, content delivery, authentication, and integration points.
Work with networking and cybersecurity teams to address connectivity, security, or performance-related challenges.
Security & Compliance
Apply security patches, hardening standards, and vulnerability remediation for web services and servers.
Maintain compliance with security frameworks such as NIST, RMF, FISMA, or organizational policies.
Support log monitoring, audit preparation, and incident response activities.
Documentation & Continuous Improvement
Maintain accurate documentation for configurations, architectures, processes, and standard operating procedures.
Identify and recommend improvements in web infrastructure, automation, or monitoring.
Stay current with emerging technologies relevant to web hosting, cloud platforms, and systems administration.
Qualifications
Self‑motivated with strong attention to detail, oral and written communication skills.
Hands‑on experience: 3+ years.
Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field; or equivalent experience.
Certifications may be required: Network+ CE, Security+ CE, CASP CE, etc.
Must be a U.S. Citizen and able to obtain and maintain an active Secret clearance.
Work Location: Fort Knox, Kentucky. Telework may be authorized once approved by the Government.
Physical requirements: ability to perform repetitive motions with hands, wrists, and fingers; respond to audible communications in emergencies; sit for prolonged periods at a desk and working on a computer.
Seniority Level
Mid‑Senior level
Employment Type
Full‑time
Job Function
Information Technology
Business Consulting and Services
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Responsibilities Web Server & Application Administration
Install, configure, and manage web servers and application servers such as Apache, NGINX, IIS, Tomcat, WebLogic, or WebSphere.
Monitor and maintain web applications and backend services to ensure availability and performance.
Manage SSL/TLS certificates, domain configurations, and DNS entries related to web operations.
Support deployment of web-based applications and updates in collaboration with development teams.
System Administration
Install, configure, maintain, and patch Linux and/or Windows servers supporting web services.
Manage user accounts, permissions, and system security settings in accordance with organizational policies.
Monitor system performance, capacity, and resource usage, proactively addressing emerging issues.
Automate routine tasks using scripts or configuration management tools.
Troubleshooting & Support
Diagnose and resolve issues related to web servers, middleware, operating systems, and underlying infrastructure.
Provide Tier II/III support for incidents involving web services, content delivery, authentication, and integration points.
Work with networking and cybersecurity teams to address connectivity, security, or performance-related challenges.
Security & Compliance
Apply security patches, hardening standards, and vulnerability remediation for web services and servers.
Maintain compliance with security frameworks such as NIST, RMF, FISMA, or organizational policies.
Support log monitoring, audit preparation, and incident response activities.
Documentation & Continuous Improvement
Maintain accurate documentation for configurations, architectures, processes, and standard operating procedures.
Identify and recommend improvements in web infrastructure, automation, or monitoring.
Stay current with emerging technologies relevant to web hosting, cloud platforms, and systems administration.
Qualifications
Self‑motivated with strong attention to detail, oral and written communication skills.
Hands‑on experience: 3+ years.
Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field; or equivalent experience.
Certifications may be required: Network+ CE, Security+ CE, CASP CE, etc.
Must be a U.S. Citizen and able to obtain and maintain an active Secret clearance.
Work Location: Fort Knox, Kentucky. Telework may be authorized once approved by the Government.
Physical requirements: ability to perform repetitive motions with hands, wrists, and fingers; respond to audible communications in emergencies; sit for prolonged periods at a desk and working on a computer.
Seniority Level
Mid‑Senior level
Employment Type
Full‑time
Job Function
Information Technology
Business Consulting and Services
#J-18808-Ljbffr