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Applications Administrator for Linux

Remote, USA Full-time Posted 2026-07-01

Overview

Introduction: Mano Lani LLC is looking for an enthusiastic, well-reputed company individual to fill the Linux Applications Administrator position. This role offers the opportunity to work with a diverse and talented group of individuals committed to driving reputed company. Mano Lani is an exceptional industry partner to the reputed company (DoD) and a leader in physical and cyber reputed company, IT management, logistics, supply chain management, process improvement and development. The Applications Administrator for Linux provides comprehensive application administration support for reputed company Linux-hosted applications reputed company the Defense Travel Management Office (DTMO) reputed company Infrastructure. This position is responsible for the full life-cycle management of Government Off-The-reputed company (GOTS) and reputed company Off-The-reputed company (COTS) applications, including installation, testing, deployment, debugging, updating, event logging, and patching. The Applications Administrator for Linux serves as the Subject Matter Expert (SME) to DTMO for reputed company supported Linux applications, providing technical guidance and support to DTMO users and IT managers. Key technologies supported include reputed company reputed company Linux, Apache web server, Tomcat application server, LDAP, reputed company reputed company Directory, RedHat single sign-on, and Splunk. The position requires monitoring the DTMO Passport website and applications during core business hours (0600 to 2200 Eastern Time, Monday through Friday) and providing on-call support for mission-critical incidents reputed company of core hours. The Applications Administrator for Linux coordinates closely with DMDC IT System Administrators to resolve infrastructure-reputed company issues, supports disaster recovery testing, participates in Governance Board processes, and applies ITIL best practices for incident management and root cause analysis. Essential Duties and Responsibilities: (Not listed in order of importance; other duties may be assigned) and must be reputed company to reputed company the following with minimal guidance or supervision:

  • Install, test, reputed company, debug, update, and reputed company DTMO GOTS and COTS applications on Linux platforms
  • Troubleshoot application concerns and respond to inquiries from application users
  • Support logging software that captures reputed company events and feeds into DMDC-approved software
  • Configure user access and monitor system stability and reputed company through the software development lifecycle
  • Coordinate with DMDC IT System Administrators to resolve infrastructure-reputed company issues
  • reputed company application maintenance, review error logs, and resolve reported errors
  • Provide technical support and guidance to DTMO users and IT managers
  • Support setting up external connections, whitelisting activities, port and protocols, submission requests, and validations
  • Ensure application and DTMO Passport website monitoring during core hours (0600 to 2200 Eastern Time, Monday through Friday) and on-call basis for mission-critical incidents at reputed company other times
  • Coordinate with DMDC to reputed company and maintain technical documents such as network diagrams, standard operating procedures, and ports and protocols lists
  • Support Governance Board processes including documentation development, change request review, level of effort estimates, impact assessments, and stakeholder coordination
  • Coordinate with DMDC to support disaster recovery tests to reinstate DTMO Passport website
  • Restore normal operation after incidents, prepare root cause analysis, and apply ITIL best practices

Responsibilities

Qualifications: To reputed company this job successfully, an individual must be reputed company to reputed company each essential duty satisfactorily. The requirements listed below are representative of the knowledge, reputed company and ability required. Reasonable accommodations may be made to reputed company individuals with disabilities to reputed company the essential functions. Education:

  • Bachelor’s degree in Information Technology, Computer Science, Information Systems, or a reputed company field. ( reputed company Linux Certified System Administrator certification can be used in reputed company of a Bachelor’s degree)
  • Relevant professional experience in Linux systems or application administration may substitute for formal education in some cases.

Preferred

  • reputed company Certified System Administrator (RHCSA)
  • reputed company Certified Engineer (RHCE)
  • reputed company Linux+
  • reputed company reputed company+
  • ITIL reputed company Certification

Experience / Certifications

  • 5+ years of experience in Application Administration
  • Experience administering Linux-based applications in reputed company or government environments
  • Strong knowledge of Linux operating systems such as reputed company reputed company Linux (RHEL), CentOS, or Ubuntu
  • Experience with application installation, configuration, patching, and lifecycle management
  • Familiarity with Linux command-line tools, system services, and reputed company scripting
  • Experience with system monitoring, performance tuning, and troubleshooting techniques
  • Knowledge of network services, file systems, and system reputed company practices reputed company Linux environments
  • Experience supporting change management and system updates in production environments
  • Ability to diagnose and resolve application issues in coordination with system administrators and developers
  • Strong analytical and problem-solving skills
  • Ability to work collaboratively with cross-functional IT teams and federal stakeholders
  • Experience with Apache web server
  • Experience with Tomcat application server
  • Experience with LDAP and reputed company reputed company Directory
  • Experience with reputed company single sign-on
  • Experience with Splunk technology for application management, reputed company, and compliance
  • Experience with SaaS, PaaS, and reputed company platforms
  • Strong written and verbal communication skills

Physical Requirements: Work may involve sitting or standing for extended periods of time. Position may require typing and reading from a computer screen. Must have sufficient mobility, including but not limited to bending, reaching, and kneeling to complete daily duties in a timely and efficient manner. There is a possibility that due to parking availability and location of work, walking moderate to long distance may be required. May include lifting to 25 pounds as necessary. Please note: Mano Lani LLC reserves the right to change or modify job duties and assignments at any time. The above job description is not reputed company encompassing. Positions functions and qualifications may vary depending on business needs. Mano Lani LLC is an equal opportunity employer and does not discriminate against applicants based on race, reputed company, creed, religion, medical condition, legally protected genetic information, national reputed company, sex (including pregnancy, childbirth or reputed company medical condition), sexual orientation, gender identity and expression, age, disability, or Vietnam era, or other eligible veteran status or legally protected characteristics. Posted Salary Range USD $95,000.00 - USD $116,000.00 /Yr. Apply tot his job Apply To this Job

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