Infrastructure / DevSecOps Engineer

The Cadmus Group, Inc.

82d • $110,000

About The Position

Cadmus is seeking an Infrastructure / DevSecOps Engineer to join one of our federal programs. This role will have client facing responsibilities that encompass Application security and DevSecOps engineer skill sets.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• 5+ years of experience in infrastructure engineering, DevOps/DevSecOps, and cloud operations.
• Strong expertise in Linux administration (RHEL 8/9) including patching, CIS/SELinux hardening, firewall, and performance tuning.
• Hands-on expertise in webserver configuration with SiteMinder, load balancers, SSL/certificates, and reverse proxies.
• Experience with CI/CD pipelines, IaC tools (Terraform, Ansible, CloudFormation), and container platforms (Docker, Kubernetes, OpenShift).
• Experience in WebSphere 9 administration, including console management, JVM tuning, and enterprise integrations.
• Knowledge of configuring and supporting Connect:Direct, secure file transfers, and enterprise data exchanges.
• Knowledge of databases (Oracle, PostgreSQL), DR drills, and scheduling tools.
• Demonstrated ability to document infrastructure, security controls, and operational processes clearly and consistently.
• Excellent collaboration skills across development, operations, and enterprise teams in Agile/SDLC environments.

Responsibilities

• Design, implement, and maintain cloud infrastructure to support transition from a monolithic stack to modular, microservice-based, cloud-ready architecture.
• Build and optimize CI/CD pipelines (GitHub Actions, GHAS, Jenkins, SonarQube) for automated builds, quality analysis, tests, deployments, and provisioning support.
• Containerize and manage workloads with Docker/Podman and orchestrate using Kubernetes/OpenShift clusters.
• Implement monitoring, logging, and observability (Splunk, Grafana, OpenTelemetry) to ensure performance, reliability, and proactive alerting.
• Harden infrastructure through security-first DevSecOps practices — patching (RHEL 8/9), vulnerability scanning (Invicti/Nessus), IAM.
• Support hybrid and multi-cloud architectures, aligning compute, networking, and storage requirements with USDA/FNS standards.
• Manage port and network configurations for multiple applications and protocols (HTTP/S, TLS, SSL, SFTP, AJP).
• Administer and configure WebSphere 9 consoles — including JVM tuning, JDBC/JMS resources, security roles, and deployments.
• Configure and support webservers with SiteMinder, reverse proxies, and load balancers for high availability and authentication/authorization.
• Provide in-depth administration of UNIX/RHEL ecosystems — CLI, shell scripting, system libraries, performance monitoring, and package management.
• Assist in database migration strategies to cloud-native databases, ensuring resiliency and high availability.
• Create and maintain network architectural diagrams and clear documentation, actively updated to reflect evolving system states.
• Collaborate with developers, testers, and business stakeholders to ensure security, compliance, alignment, and audit readiness.
• Provide operational support during cutovers, DR drills, and production troubleshooting to sustain operational continuity.

Benefits

• Medical, dental, vision insurance
• Company paid disability and life insurance
• 401(k) program
• Paid time off (PTO)
• Paid holidays
• Voluntary time off (VTO)
• Tuition reimbursement
• Adoption assistance program
• Other optional benefits
• Various bonus programs

What This Job Offers

• Career Level: Mid Level
• Education Level: Bachelor's degree
• Number of Employees: 1,001-5,000 employees