Mano Lani LLC is an equal opportunity employer and does not discriminate against applicants based on race, color, creed, religion, medical condition, legally protected genetic information, national origin, sex (including pregnancy, childbirth or related medical condition), sexual orientation, gender identity and expression, age, disability, or Vietnam era, or other eligible veteran status or legally protected characteristics.
Linux Applications Administrator
Location
United States
Posted
2 days ago
Salary
$95K - $116K / year
No structured requirement data.
Job Description
Role Description
Mano Lani LLC is looking for an enthusiastic, well-qualified 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 success.
The Applications Administrator for Linux provides comprehensive application administration support for all Linux-hosted applications within the Defense Travel Management Office (DTMO) Enterprise Infrastructure. This position is responsible for the full life-cycle management of Government Off-The-Shelf (GOTS) and Commercial Off-The-Shelf (COTS) applications, including:
- Installation
- Testing
- Deployment
- Debugging
- Updating
- Event logging
- Patching
The Applications Administrator serves as the Subject Matter Expert (SME) to DTMO for all supported Linux applications, providing technical guidance and support to DTMO users and IT managers. Key technologies supported include:
- Red Hat Enterprise Linux
- Apache web server
- Tomcat application server
- LDAP
- Oracle Unified Directory
- RedHat single sign-on
- 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 outside of core hours. The Applications Administrator coordinates closely with DMDC IT System Administrators to resolve infrastructure-related 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:
- Install, test, deploy, debug, update, and patch DTMO GOTS and COTS applications on Linux platforms
- Troubleshoot application concerns and respond to inquiries from application users
- Support logging software that captures security events and feeds into DMDC-approved software
- Configure user access and monitor system stability and security through the software development lifecycle
- Coordinate with DMDC IT System Administrators to resolve infrastructure-related issues
- Perform 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 and on-call basis for mission-critical incidents
- Coordinate with DMDC to develop 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
Qualifications
- Bachelor’s degree in Information Technology, Computer Science, Information Systems, or a related field (Red Hat Linux Certified System Administrator certification can be used in place of a Bachelor’s degree)
- Relevant professional experience in Linux systems or application administration may substitute for formal education in some cases.
Preferred
- Red Hat Certified System Administrator (RHCSA)
- Red Hat Certified Engineer (RHCE)
- CompTIA Linux+
- CompTIA Security+
- ITIL Foundation Certification
Requirements
- 5+ years of experience in Application Administration
- Experience administering Linux-based applications in enterprise or government environments
- Strong knowledge of Linux operating systems such as Red Hat Enterprise Linux (RHEL), CentOS, or Ubuntu
- Experience with application installation, configuration, patching, and lifecycle management
- Familiarity with Linux command-line tools, system services, and shell scripting
- Experience with system monitoring, performance tuning, and troubleshooting techniques
- Knowledge of network services, file systems, and system security practices within 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 Oracle Unified Directory
- Experience with Red Hat single sign-on
- Experience with Splunk technology for application management, security, and compliance
- Experience with SaaS, PaaS, and cloud 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.
Posted Salary Range
USD $95,000.00 - USD $116,000.00 /Yr.
Job Requirements
- Bachelor’s degree in Information Technology, Computer Science, Information Systems, or a related field (Red Hat Linux Certified System Administrator certification can be used in place of a Bachelor’s degree)
- Relevant professional experience in Linux systems or application administration may substitute for formal education in some cases.
- Red Hat Certified System Administrator (RHCSA)
- Red Hat Certified Engineer (RHCE)
- CompTIA Linux+
- CompTIA Security+
- ITIL Foundation Certification
- 5+ years of experience in Application Administration
- Experience administering Linux-based applications in enterprise or government environments
- Strong knowledge of Linux operating systems such as Red Hat Enterprise Linux (RHEL), CentOS, or Ubuntu
- Experience with application installation, configuration, patching, and lifecycle management
- Familiarity with Linux command-line tools, system services, and shell scripting
- Experience with system monitoring, performance tuning, and troubleshooting techniques
- Knowledge of network services, file systems, and system security practices within 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 Oracle Unified Directory
- Experience with Red Hat single sign-on
- Experience with Splunk technology for application management, security, and compliance
- Experience with SaaS, PaaS, and cloud 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.
- Posted Salary Range
- USD $95,000.00 - USD $116,000.00 /Yr.
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