Polygraph

Sunayu•Contractor Site, MD

3d•Onsite

About The Position

The Senior DevOps / Infrastructure Engineer provides hands-on engineering, administration, automation, and operational support for enterprise infrastructure across development, integration, test, evaluation, preproduction, and production environments. The role designs, implements, maintains, troubleshoots, and improves cloud and on-premises infrastructure while collaborating with systems administration, platform, security, application, and customer teams. The position is at a contractor site in Maryland, requires a TS/SCI clearance with polygraph, and does not require travel or offer remote work. The engineer supports platform architecture and deployment throughout the development lifecycle, builds release pipelines, and automates deployments across development, test, staging, quality assurance, and production environments. The role also serves as an Agile technical lead, maintains configuration management and version-control practices, supports continuous integration and infrastructure automation, and contributes to service reliability, security, performance, and operations. The job calls for a bachelor's degree or higher in engineering or computer science and at least ten years of related experience. Required capabilities include enterprise Linux administration and engineering, AWS or cloud infrastructure, Kubernetes and containers, infrastructure automation, CI/CD, Git, and troubleshooting across operating systems, networking, storage, virtualization, and cloud environments. The role requires a TS/SCI with polygraph clearance. Sunayu describes a collaborative culture and offers company-reimbursed training and continuing education of up to $5,000 annually, as well as the listed insurance, leave, and retirement benefits.

Requirements

Bachelor's degree or higher in engineering or computer science.
At least ten years of related experience, excluding education experience.
Significant experience administering and engineering enterprise Linux/RHEL infrastructure.
Strong hands-on experience with AWS and/or cloud infrastructure.
Experience with Kubernetes and containerized environments.
Experience with Terraform, Ansible, or comparable infrastructure automation technologies.
Experience with GitLab, CI/CD pipelines, and source-controlled infrastructure.
Strong troubleshooting skills across operating systems, networking, storage, virtualization, and cloud environments.
Ability to work independently on complex infrastructure problems while collaborating across technical teams.
Fluency with Git and strong knowledge of Linux environments, including RHEL and CentOS.
Experience with Windows system administration, system monitoring, instrumentation, resiliency, and performance.
Ten or more years working in an Agile development environment.
Ten or more years of system architecture experience and ability to read code and understand coding logic to assist troubleshooting.
Ten or more years managing and monitoring AWS cloud and virtualized servers for optimal performance in a PaaS environment.
Familiarity with software development lifecycle models, Agile, and DevOps programming methodologies.
Object-oriented programming skills and experience with at least one language such as Ruby, C, C++, Go, Python, or Java.
Experience understanding complex software systems to isolate and reproduce defects, assess risk, and understand varied customer deployments.
Excellent problem-solving, analytical, and technical troubleshooting skills.
Clear and precise verbal and written communication skills.
Knowledge of security practices, networking protocols, firewalls, and PCI compliance.
Understanding of SLA requirements, high availability, performance optimization, and monitoring techniques.
TS/SCI clearance with polygraph.

Nice To Haves

Experience integrating Jenkins or Bamboo, Docker, and Kubernetes for automated deployment.
Experience with caching technologies such as Memcache, ActiveMQ, Redis, or APC.
Experience with MySQL clusters, replication, and tuning; Elasticsearch experience, with Kibana as a plus.
Experience with VMware, OpenStack, Harbor, Rancher, Helm, Cilium, GPFS/Spectrum Scale, Velero, or OpenSearch/Elasticsearch.
Experience with Packer, Terraform, GitOps, and automated AMI or deployment pipelines.
Experience with security hardening, Nessus/ACAS, PKI, RBAC, SAML, and security accreditation requirements.
Experience with configuration management and infrastructure automation tools such as Puppet, Chef, Ansible, and AWS or VMware technologies.
Experience with build tools such as Gradle, Maven, ANT, and Shell, and CI tools such as Jenkins and Bamboo.

Responsibilities

Support the development lifecycle of platform architectural design, deployment, and debugging.
Build release pipelines that enable fast and safe delivery of critical business software to production.
Develop and maintain configuration management systems and version-control practices, including Git branching and merging strategies.
Serve as a technical lead for an Agile team and participate in planning, grooming, product demonstrations, retrospectives, and other team ceremonies.
Automate release deployments across development, test, staging, quality assurance, and production environments using scripting languages and automation toolkits.
Set up new sites and applications using configuration management tools such as Puppet and Ansible.
Maintain, upgrade, and patch tracking and documentation software such as Confluence and Jira.
Create, assist with, and implement the design and maintenance of web service infrastructure and deployments.
Analyze service stacks and recommend improvements; identify processes and capabilities that can be streamlined and automated.
Communicate across stakeholders and development teams to bridge requirements.
Assist with support and operations as needed, including deployment and operational support.
Maintain confidentiality of information being processed, stored, or accessed.
Use programming languages such as Python, Ruby, Perl, and Java to support engineering work.
Automate network infrastructure configuration using software-defined networking approaches.
Apply DevOps or Site Reliability Engineering methodologies and consider the full service development and deployment architecture.
Support service-level requirements, high-availability architectures, performance optimization, and monitoring.
Set up and configure continuous integration environments using configuration management, containerization, serverless technologies, and Kubernetes.
Establish best practices for software build tools, continuous integration tools, and infrastructure automation.
Collaborate cross-functionally with multiple teams and work with customers, developers, testing, project management, and support staff.