WebSphere Linux Systems Administrator

Crown Innovations is seeking a WebSphere Linux Systems Administrator to support Concept Solutions and a 50-person development team working on mission-critical National Airspace Systems for the Federal Aviation Administration (FAA). This position requires hands-on expertise in WebSphere, Linux, and system administration across both physical and virtualized environments.

This is a hybrid position requiring to come into Concept Solutions' office located in Reston, Virginia.

Key Responsibilities:

Install, configure, and manage the following systems in support of a 50-person development team building flight-planning tools for airmen:

IBM WebSphere Application Server 8.5.5 and later

iPlanet web and proxy servers

Linux OS (Red Hat Enterprise Linux, CentOS) virtual machines

Solaris 10/11 physical machines

Support deployment and management of Java-based web applications to non-production environments, including both AWS and VMware platforms

Install and configure application clusters, connection pooling, and proxy users in WebSphere.

Provide images and packages for setting up non-production database instances on Oracle and PostgreSQL

Review and optimize configuration settings across the technology stack to improve system performance

Ensure high availability of non-production systems by proactively monitoring system, process, and application logs

Develop and implement monitoring tools and scripts to quickly identify and resolve issues before system availability is affected

Other Responsibilities:

Automate configuration management, deployment, and maintenance using Ansible, Python, and shell scripting

Deploy and configure Nagios, using both out-of-the-box and custom health checks to provide service-level monitoring and integrated alerting

Research and evaluate new tools and technologies; perform proof-of-concept exercises to optimize and improve system operations

Provide knowledge transfer and training to Tier 2 support staff through detailed documentation and walkthroughs

Document comprehensive installation procedures and configuration changes to ensure system consistency and repeatability

Qualifications

Bachelor of Science degree in Engineering, Mathematics, or Science (minimum education requirement)

8+ years of experience performing the duties outlined above

Strong analytical and problem-solving skills with excellent attention to detail

Excellent verbal and written communication skills; able to collaborate across teams, coordinate efforts, and communicate technical changes effectively

U.S. Citizen or U.S. resident (for at least 3 years)

Must be able to obtain a Public Trust clearance

Ability to commute on-site 2–3 days per week to Reston, VA

Additional Information

Visit: for additional information about Crown Innovations, Inc.

We offer a competitive benefits package including a matching 401K, comprehensive medical, dental, and vision plans, and generous PTO. Crown has been voted one of the best places to work in the Washington, DC area; we built this reputation by hiring great people who value and support the mission of our customers.

Persons unable to complete an online application should contact Crown HR for assistance at ext. 3059.

As a government contractor, most of the Crown positions require U.S. citizenship.

Crown is a VEVRAA Federal Contractor. EOE: Vets/Disability