DevSecOps Engineer

Core4ce is hiring a Senior DevSecOps Engineer to support a large, secure Department of War Security Operations Center. The role engineers, secures, automates, maintains, and troubleshoots SOC systems and services, while supporting subscribers, collaborating with application teams, and mentoring engineers.

Responsibilities

• Engineer, administer, maintain, upgrade, secure, and troubleshoot enterprise Kubernetes and Red Hat OpenShift environments supporting development, staging, and production workloads
• Develop and maintain Infrastructure as Code (IaC) and configuration automation using technologies such as Terraform and Ansible/Ansible Automation Platform
• Design, develop, maintain, and troubleshoot CI/CD pipelines supporting automated software build, testing, security scanning, artifact management, and deployment
• Troubleshoot complex technical problems spanning Kubernetes/OpenShift, Linux, cloud infrastructure, networking, DNS, certificates, authentication, storage, containers, CI/CD pipelines, and application workloads
• Work directly with customers and application teams to understand technical requirements, identify pain points, evaluate solutions, and resolve platform and application deployment issues
• Implement and support security throughout delivery lifecycle, including vulnerability scanning, container security, secrets management, artifact security, software supply-chain security, and Software Bills of Materials (SBOMs)
• Support vulnerability remediation, system hardening, cybersecurity compliance, and authorization/accreditation activities
• Support container registries, artifact repositories, identity and access management, security scanning, and related DevSecOps platform services
• Monitor and optimize system resources, including performance, capacity, availability, serviceability, and recoverability
• Develop and maintain technical documentation, system administration procedures, troubleshooting guides, engineering standards, and standard operating procedures
• Participate in system architecture, platform modernization, and technology evaluation efforts
• Provide technical guidance, mentoring, knowledge sharing, and troubleshooting assistance to other engineers
• Participate in technical and code reviews and help establish engineering standards and best practices across the team
• Collaborate with cloud, infrastructure, networking, cybersecurity, application development, and customer teams to resolve issues that cross technical boundaries
• Required to work on-site in a secured DoW facility to perform engineering and support duties

Skills

• Active Top Secret/SCI security clearance or Interim Secret with ability to obtain a TS-SCI clearance
• Minimum of five (5) years of demonstrated hands-on experience engineering, administering, and troubleshooting Linux systems administration and troubleshooting experience, preferably with Red Hat Enterprise Linux (RHEL)
• Demonstrated experience with Kubernetes environments. Experience should include installation, configuration, operation, upgrades, troubleshooting, and maintenance of development, staging, and/or production Kubernetes environments
• Demonstrated experience developing and maintaining Infrastructure as Code (IaC) using technologies such as Terraform
• Demonstrated experience with configuration management and infrastructure automation using technologies such as Terraform and Ansible
• Strong understanding of network protocols and services, with demonstrated hands-on experience troubleshooting networks across virtualized and data center environments
• Strong hands-on experience designing, maintaining, and troubleshooting CI/CD pipelines
• Experience with Git-based development workflows and platforms such as GitLab
• Strong understanding of containers, container images, container registries, and container lifecycle management
• Strong understanding of Kubernetes concepts including networking, ingress, DNS, storage, RBAC, certificates, secrets, resource management, workload scheduling, deployments, services, and cluster operations
• Demonstrated ability to troubleshoot complex technical issues across multiple layers of infrastructure and software
• Experience with cloud infrastructure and services, preferably Amazon Web Services (AWS)
• Experience with virtual infrastructure application, preferably VMWare vSphere
• Experience implementing or supporting security controls and automated security testing within DevSecOps environments
• Demonstrated experience working directly with customers or application teams to gather requirements, troubleshoot issues, and develop technical solutions
• Strong written and verbal communication skills with the ability to communicate complex technical issues to both technical and non-technical audiences
• Demonstrated ability to mentor engineers and provide technical guidance to other team members
• Significant hands-on engineering and administration experience with Red Hat OpenShift
• Experience migrating Kubernetes platforms and application workloads to Red Hat OpenShift
• Experience with Rancher and RKE2 Kubernetes environments
• Experience operating Kubernetes/OpenShift workloads within AWS, including AWS GovCloud
• Experience with GitLab Ultimate and enterprise CI/CD environments
• Experience with container and DevSecOps technologies such as Harbor, Trivy, Red Hat Advanced Cluster Security (RHACS), HashiCorp Vault, and Artifactory
• Experience implementing or supporting SBOMs, preferably using CycloneDX, and software supply-chain security practices
• Experience with observability and monitoring technologies such as Prometheus, Grafana, Splunk, and OpenTelemetry
• Experience with identity and access management technologies such as Keycloak
• Experience with container registries, artifact repositories, vulnerability scanning, image promotion, and secure software delivery practices
• Experience with F5/NGINX, AppProtect, and Palo Alto
• Experience with database management of MySQL and PostgreSQL
• Familiarity with Zero Trust principles and their application to cloud-native applications and workloads
• Experience working within a DoD, federal government, healthcare, or other highly regulated environment
• Experience navigating DoD cybersecurity, network, access, authorization, and accreditation requirements
• Experience supporting platform modernization or large-scale Kubernetes/OpenShift migration initiatives
• Experience working in a DevOps or DevSecOps environment using Agile methodologies
• Certifications such as Red Hat Certified System Administrator (RHCSA), Red Hat Certified Engineer (RHCE), or CompTIA Linux+

Benefits

• 401(k) with 100% company match on the first 6% deferred, with immediate vesting
• Comprehensive medical, dental, and vision coverage—employee portion paid 100% by Core4ce
• Unlimited access to training and certifications, with no pre-set cap on eligible professional development
• Tuition assistance for job-related degrees and courses
• Paid parental leave, PTO that grows with tenure, and generous holiday schedules
• The Forge gives every employee the chance to propose bold innovations and help bring them to life with internal backing

Company Overview