Senior Linux Engineer, Tech Ops in Southlake, TX at APEX Systems

Date Posted: 6/13/2018

Job Snapshot

Job Description

Job #:  857202

Apex Systems is seeking a Sr. Linux Engineer for a Direct Hire/Full Time Opportunity with our client's Systems and Platform Engineering team in Dallas, TX. You'll have the opportunity to work at the highest systems level to provide expert advice and counsel to users, management and IT project teams for systems of the most complex nature. 

If you or someone you know may be interested in this opportunity, please contact Mike Conforti, Technical Recruiter, at with an updated resume.



Title: Sr. Linux Engineer
Location: Dallas, Texas
Type: Permanent/Direct Hire
Compensation: Competitive, based on experience




An outstanding career opportunity with a leading provider of securities brokerage services and technology-based financial services.  The Senior Engineer will work to collaborate with platform operations team members to execute services supporting over 9 corporate locations, approximately 6,000 users, 3 major Data centers and 5 million Clients. This individual will execute lifecycle, maintenance and support of enterprise infrastructure platforms and must have the ability to function autonomously in a collaborative culture with focus on business outcome(s), impact to the firm and client service orientation.



The Senior Engineer will:


  • Perform incident response and break-fix triage for issues related to infrastructure platforms.
  • Infrastructure including but not limited to middleware, database, server operating systems and virtualization
  • Partner with requestors to execute tasks provided via request portal for service delivery.
  • Conduct analysis and provide suggestions to improve the delivery of services by the team.
  • Execute and improve vulnerability and resiliency management strategies which includes patching, reboots, infrastructure testing and other proactive maintenance tasks.
  • Provide mentorship and leadership to emerging talent within the infrastructure technology.
  • Conducts peer review analysis and acceptance for new or modified processes to ensure sustainability and repeatability.



  • Executes and provides feedback for operational policies, procedure, processes and standards.
  • Provides subject matter expertise in cross-functional strategic and tactical efforts.
  • Provide thought leadership, best practice recommendations, mentoring, and training to individual members of the team or the team at large as needed.
  • Partners with key vendor providers to escalate and troubleshoot severity issues.
  • Assist in developing engineering and operational service metrics with actionable plans to improve operational efficiency, enhance service quality/SLA, and optimize delivery.
  • Propose, design, and implement enhancements and additions to current environment
  • Provide 24/7 on-call support on rotating schedule.
  • Lead the development and execution of scripts focusing on the enhancement and efficiency of day-to-day tasks executed by the platform operations team.
  • Collaborate with team members to provide feedback on the enhancement of operation policy, process and workflow.
  • Evaluates and actions against metrics analyzing the performance of the infrastructure operations team to ensure timely and accurate services delivery.
  • Support daily operations such as capacity management, performance monitoring and network systems connectivity.
  • Recommend and execute Linux/Unix server hardware and software configuration, installation, integration, upgrades and performance tuning for robust and reliable performance.
  • Provide mentorship and leadership to emerging talent within the infrastructure technology (in the form of cross training, workshops, and knowledge sharing).
  • First and Second level troubleshooting support for trading and client and associate services.
  • Analyzes and executes configuration and audit strategies to assist in ensuring compliance with standard settings and security direction
  • Create and modify shell scripts to automate tasks and integrate solutions
  • Complete and maintain all necessary documentation pertaining to the Linux/Unix environment, policies and procedures, and other projects as assigned.
  • Participate in audit activities as needed including review and remediation.
  • Continuously evaluate emerging technologies and determine suitability for use and environment.
  • Extensive knowledge of VMWare vSphere
  • Technical skills in Java, Spring Boot and Tomcat, tc Server, RabbitMQ
  • Work on or drive team projects to improve and enhance the Linux environment and services.
  • Ability to learn and adapt quickly to new technologies and environments while being able to see and present the “big picture”
  • Excellent verbal and written communication skills, time management skills and organizational skills
  • Possesses the ability to be productive in a team environment as well as work independently.
  • Strong analytical and problem solving skills with the ability to remain calm under pressure
  • Pivotal Cloud Foundry and BOSH experience
  • Hands on experience installing, supporting and operating a hosted Cloud Foundry platform
  • Container technology experience (e.g. Docker )
  • Experience with Infrastructure as Code (IAC) tools (e.g. Chef, Puppet, Ansible)
  • Splunk Knowledge to identify trends via dashboards and reports to resolve platform issues
  • Operational knowledge of AppDynamics




  • BA or BS Engineering, Computer Science or related field
  • Extensive Systems Engineering and/or Operations experience within e-commerce or financial services industry
  • Ability to develop automation using Python, Powershell and/or Perl
  • Subject Matter Knowledge and understanding of the following :
  • Middleware Technologies:
  • Tomcat, tc Server, RabbitMQ, JAVA
  • Server OS:
  • Red Hat Linux
  • VMware ESX
  • Tools & Utilities:
  • IBM BigFix
  • Puppet Software
  • Tivoli Monitoring
  • Extensive troubleshooting, triage, root cause analysis and performance monitoring skills.
  • Experience with ITIL and/or other similar frameworks.
  • Experience with LEAN methodologies, leading Value Stream mapping sessions and driving problem resolution meetings with cross-functional teams.
  • Should have an understanding of current industry trends and their advantages with ability to right fit into an existing environment.
  • Background  working in organizations that provide 24x7x365 support.
  • Demonstrated ability to achieve successful outcomes in handling difficult situations and work with various customers and management levels.
  • Must be able to communicate effectively with technical and non-technical audiences. 
  • Must be a self-starter with the ability to work independently and in a collaborative team environment.
  • Military education or experience may be considered in lieu of civilian requirements listed









EEO Employer

Apex is an Equal Employment Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or 844-463-6178.