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DevOps Engineer III

reflexiveconcepts.catsone.com · Columbia, MD

senior levelPosted Oct 24, 2026 · verified Oct 27, 2026

Key requirements

  • Strong knowledge of Linux and Linux environments (RHEL 6/7/8, RHCSA/RHCE, CentOS)
  • Experience with Windows system administration, system monitoring, instrumentation, resiliency and performance
  • 10+ years working in an Agile dev environment (excludes education experience such as Bachelor's or Master's degree in relevant field)
  • Experience integrating Jenkins/Bamboo, Docker, and Kubernetes for automated deployment preferred
  • Experience with caching technologies (Memcache, ActiveMQ, Redis, APC, etc.)
  • Experience with MySQL (Clusters, Replication, and Tuning) and Elasticsearch (Kibana a plus). Knowledge of security practices, networking protocols, firewalls, PCI compliance etc.
  • 10+ years of system architecture required with a demonstrated ability to read the code and understand the coding logic to assist in troubleshooting
  • 10+ years' experience managing/monitoring AWS cloud and virtualized servers for optimal performance while working in a Platform as a Service (PaaS) environment
  • Fluent skills in object-oriented programming and experience in at least one programming language such as Ruby, C, C++, Go, Python, or Java
  • Experience acquiring in-depth understanding of large complex software systems to isolate defects, reproduce defects, assess risk, and understand varied customer deployments
  • Ability to successfully work with customers, developers, testing, project management, and support staff
  • Excellent problem solving, analytical skills and technical troubleshooting skills
  • Bachelor's degree or higher is required in either Engineering (i.e. Computer, Electrical, Mechanical, Aerospace, etc.) or Computer Science with a minimum of ten (10) years of related experience (excludes education experience such as Bachelo
  • Ability to automate release deployments across development, test, staging, Quality Assurance and production stacks using a combination of scripting languages and other automation toolkits.
  • Ability to have a holistic view of service development and deployment architecture.
  • Experience working cross-functionally across multiple teams.
  • Desired Skills:*

Description

*Reflexive Concepts is seeking a skilled DevOps Engineer III to join our team!* *Responsibilities:* * Must be fluent with Git * Strong knowledge of Linux and Linux environments (RHEL 6/7/8, RHCSA/RHCE, CentOS) * Experience with Windows system administration, system monitoring, instrumentation, resiliency and performance * 10+ years working in an Agile dev environment (excludes education experience such as Bachelor's or Master's degree in relevant field) * Experience integrating Jenkins/Bamboo, Docker, and Kubernetes for automated deployment preferred * Experience with caching technologies (Memcache, ActiveMQ, Redis, APC, etc.) * Experience with MySQL (Clusters, Replication, and Tuning) and Elasticsearch (Kibana a plus). Knowledge of security practices, networking protocols, firewalls, PCI compliance etc. * 10+ years of system architecture required with a demonstrated ability to read the code and understand the coding logic to assist in troubleshooting * 10+ years' experience managing/monitoring AWS cloud and virtualized servers for optimal performance while working in a Platform as a Service (PaaS) environment * Familiarity with software development life cycle models, Agile, and DevOps programming methodologies * Fluent skills in object-oriented programming and experience in at least one programming language such as Ruby, C, C++, Go, Python, or Java * Experience acquiring in-depth understanding of large complex software systems to isolate defects, reproduce defects, assess risk, and understand varied customer deployments * Ability to successfully work with customers, developers, testing, project management, and support staff * Excellent problem solving, analytical skills and technical troubleshooting skills * Clarity and precision in verbal and written communications *Qualifications:* * Bachelor's degree or higher is required in either Engineering (i.e. Computer, Electrical, Mechanical, Aerospace, etc.) or Computer Science with a minimum of ten (10) years of related experience (excludes education experience such as Bachelor's or Master's degree in relevant field) *Required:* * Support the development life cycle of platform architectural design, deployment and debugging. * Building a release pipeline to enable fast, but safe delivery of critical business software to Production. * Develop and maintain sound version control best practices-based CM systems (Git), including branching and merging strategies. * Serve as a technical lead for an Agile team and actively participate in all Agile ceremonies, including planning, grooming, product demonstration and team retrospectives. * Ability to automate release deployments across development, test, staging, Quality Assurance and production stacks using a combination of scripting languages and other automation toolkits. * Set up new sites and applications via configuration management such as Puppet and Ansible. * Maintain/upgrade/patch tracking and documentation software (Confluence/Jira). * Create, assist, and implement design and maintenance of web service infrastructure and deployments. * Analyze service stack and make recommendations for further improvements. * Identify processes and capabilities that can be streamlined and automated. * Communicate effectively to help bridge stakeholder and development requirements. * Assist with support and operations where necessary. * Maintain confidentiality with regard to information being processed, stored, or accessed. * Leverage programming languages such as Python, Ruby, Perl, and Java. * Proficient with DevOps or Site Reliability Engineering methodologies. * Proficient automating network infrastructure configuration using Software Defined Networking. * Ability to have a holistic view of service development and deployment architecture. * Understanding of SLA requirements and role of high availability architectures, performance optimization, and monitoring techniques. * Act in the capacity to support deployment and operations when necessary. * Set up and configure a continuous integration environment by leveraging Configuration Management, containerization, serverless technologies, and Kubernetes. * Architect and develop best practices for software build tools (Gradle, Maven, Ant, Shell) and continuous integration tools (Jenkins, Bamboo), and infrastructure automation (Amazon Web Services, VMware, Puppet, Chef, Ansible, etc.). * Experience working cross-functionally across multiple teams. *Desired Skills:* * Docker * Kubernetes * AWS * Linux

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