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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