Systems Administrator/Engineer (Linux) - Delmock Technologies Inc

About Our Company: 

Delmock Technologies, Inc. (DTI), is a leading HUBZone business in Baltimore, known for delivering sophisticated IT (Information Technology) and Health solutions with a commitment to ethics, expertise, and superior service. Actively engaged in the local community, DTI creates opportunities for talented residents while maintaining a stellar reputation as an award-winning contractor, earning accolades like the Government Choice Award for IRS (Internal Revenue Service) Systems Modernizations.  

Location: This position is hybrid, based in Laurel, MD 20707. 

Role: 

Delmock Technologies, Inc. is seeking a Systems Administrator/Engineer that is proficient with Linux, WebSphere, and WebLogic to Administer IBM WebSphere Portal, IBM WebSphere Application Server, Oracle WebLogic Server, and Apache Tomcat.     

Responsibilities: 

• Maintains, monitors, and supports the Red Hat Enterprise Linux infrastructure and other Linux based vendor provided servers platforms.  

• Perform backups, recovery, performance analysis, resolution and deployment of Linux and Linux based systems he/she is responsible.  

• Manages hardware/software installations, security add-ons on platforms and upgrades to integrate Red Hat Linux technologies with other platforms.  

• Create and manage server templates for Linux based platforms, perform and implement a platform patching system, manage security and monitoring add-ons to the server environment.  

• Perform research on cutting edge technologies with respect to the platforms he/she is responsible, Implement POC and advise management for appropriate approval.  

• Provide assistance to database administrators, Tier 2 and Tier 3 escalated support and perform problem diagnosis and problem resolution.  

• Must have experience with supporting IT systems within a multi-platform environment.  

• Maintain records of systems, procedures documentation, performance and capacity records; arrange vendor services or other actions for reconfiguration and anticipate requirements for system expansion.  

• Must have experience with implementing, supporting, and monitoring systems in a data center environment. 

• Manages all aspects of the multi‐platform application environments including day to day support, CI/CD, monitoring systems, database & systems administration, and general troubleshooting.  

• Proficiency in Linux and Windows environments for server management and command line operations. Strong hands‐on experience in writing scripts to handle complex automation using shell scripting languages.    

• Implements application server clustering. Applies application server patches, Fix Packs and Service Packs. Conducts performance tuning.  

• Configures and updates SSL certificates, data sources, and JDBC connection pool.   

• Support application developers.    

• Collaborate with IT infrastructure team, platform team, DBAs, network team, security team, Help Desk, change management team, etc.   

Minimum Requirements: 

• Bachelor’s Degree in Computer Science, Engineering, or Information Technology., At least three (3) years minimum of relevant experience required. 

• 2 years of experience supporting Red Hat Linux, including demonstrated expertise in operating system installation, configuration, performance tuning, troubleshooting, upgrades, migrations, and maintenance. 

Preferred/Nice to Have Skills: 

• 7+ years of hands‐on large scale system administration including installation, configuration, deployment, cluster management, and production support.  

• Security management – Understanding of SSL/TLS configurations, user authentication mechanisms (LDAP, SSO) and security patches.  

• Strong proficiency in Linux and Windows environments.  

• Strong proficiency in scripting and automation.  

• Well versed in networking concepts. 

• Monitoring and performance tuning. 

• Strong analytical and problem‐solving skills. 

• Excellent communication skills.  

• Quick to learn and adapt.   

• 7+ years’ experience in system administration using the following: 

• Oracle WebLogic Server, IBM WebSphere Portal, IBM WebSphere Application Server, and Apache Tomcat. 

• Oracle Utilities Work and Asset Management (WAM). 

• Nexus, SVN, and Jenkins. 

• Linux (RHEL7/RHEL8) and Windows platforms. 

• System monitoring tools (e.g., Splunk).  

• Strong hands‐on experience in writing shell scripts (bash,  python, jython, jacl) to handle complex automation.  

• Solid knowledge about web servers (Apache, Nginx), network concepts (DNS, IP addressing, firewalls and port management) and load balancers. 

• Installation and management of COTS products on Windows platform. 

• Any cloud management experience 

Clearance:  

• The ability to pass a background check is required. 

Recently ranked as high as #3 among HUBZone Companies in a GOVWIN survey, DTI offers a dynamic environment for those passionate about impactful projects, community involvement, and contributing to a top-ranking Federal project support team. 

At DTI, we balance continuous growth and innovation with a strong dedication to corporate social responsibility. Join our talented team and be part of a company that values both professional excellence and community impact. Explore the exciting career opportunities awaiting you at DTI! 

DTI is committed to hiring and maintaining a diverse workforce. We are an equal opportunity employer making decisions without regard to race, color, religion, sex, national origin, age, veteran status, disability, or any other protected class.