Downstream Process Jobs in Washington, DC (NOW HIRING)

We are seeking an experienced DevSecOps / Systems Administrator to design, implement, secure, and maintain development and operational environments across cloud-based, on-premises, and air-gapped systems. This position will integrate security throughout the software development lifecycle, automate deployment and security processes, administer critical infrastructure, and support the secure movement and processing of data from front-end applications through back-end and downstream systems.

The ideal candidate will have broad technical expertise spanning DevSecOps, systems administration, cybersecurity, cloud infrastructure, server deployment, dataflow architecture, encryption, and compliance. This individual must be comfortable working across multidisciplinary teams and translating technical, security, operational, and customer requirements into reliable and secure solutions.

• Integrate security controls, practices, and testing throughout the software development lifecycle.

• Design, implement, and maintain secure CI/CD pipelines.

• Automate application security testing, vulnerability scanning, compliance checks, and deployment processes.

• Incorporate security tools into development, build, testing, and release workflows.

• Conduct security assessments of new and existing systems, applications, and infrastructure.

• Identify, prioritize, document, and support the remediation of security vulnerabilities.

• Implement security frameworks, standards, policies, and industry best practices.

• Monitor systems and infrastructure for security incidents, vulnerabilities, configuration issues, and emerging threats.

• Develop technical solutions to satisfy system security and data-protection requirements.

• Establish and publish DevSecOps procedures, technical standards, and security best practices.

• Build, configure, secure, administer, and maintain physical and virtual servers.

• Support cloud, on-premises, hybrid, and air-gapped computing environments.

• Manage system configurations, operating systems, user access, permissions, patching, backups, and system availability.

• Implement and maintain encryption for data at rest and in transit.

• Monitor the health, performance, reliability, and security of networks, servers, applications, and supporting infrastructure.

• Troubleshoot complex system, network, application, integration, and deployment issues.

• Develop infrastructure-as-code solutions to create consistent, repeatable, and secure environments.

• Support system hardening, configuration management, change management, and lifecycle maintenance.

• Assist with the integration and administration of Cross Domain Solutions and other controlled data-transfer technologies, as applicable.

• Design, implement, and support dataflow architectures that move information securely from front-end systems to back-end services and downstream processing environments.

• Analyze interfaces, data dependencies, processing requirements, and security boundaries across interconnected systems.

• Support secure data exchanges among applications, networks, cloud environments, and external systems.

• Work with software, hardware, and systems engineering teams to integrate system components and resolve technical dependencies.

• Ensure data-handling solutions comply with applicable security, encryption, access-control, and operational requirements.

• Support Authorization to Operate activities, including the preparation and maintenance of required security documentation.

• Assist with security control implementation, assessment, evidence collection, remediation tracking, and audit preparation.

• Develop and maintain system policies, procedures, diagrams, configuration records, and other technical documentation.

• Work with cybersecurity, engineering, customer, and program stakeholders to address compliance requirements and authorization findings.

• Ensure system configurations and operational practices remain consistent with applicable security frameworks and organizational policies.

• Collaborate closely with software engineers, hardware engineers, systems engineers, cybersecurity personnel, customers, and support operations teams.

• Provide technical guidance during system design, development, integration, testing, deployment, and operational implementation.

• Promote shared responsibility for security across development, engineering, and operations teams.

• Communicate technical risks, system requirements, vulnerabilities, and recommended solutions clearly to both technical and nontechnical stakeholders.

• Support production deployments, system upgrades, incident response, troubleshooting, and operational transition activities.

• Evaluate new technologies and recommend improvements to security, automation, scalability, reliability, and system performance.

• Bachelor’s degree in computer science, engineering, information technology, cybersecurity, or a related field, or an equivalent combination of education and relevant experience.

• At least five years of relevant experience in DevSecOps, systems administration, cloud engineering, cybersecurity engineering, infrastructure engineering, or a related technical field.

• Strong understanding of DevOps and DevSecOps principles, secure software development practices, and the software development lifecycle.

• Experience designing, implementing, or maintaining CI/CD pipelines.

• Hands-on experience with infrastructure automation, configuration management, and version-control technologies.

• Experience with tools such as:

  • Ansible

  • Jenkins

  • Terraform

  • Git and GitHub

  • GitHub Actions

  • Artifactory

  • Jira

  • Black Duck

  • Comparable DevSecOps, security, and automation platforms

• Experience building, configuring, securing, and maintaining servers and supporting infrastructure.

• Experience working in cloud-based, on-premises, hybrid, or air-gapped environments.

• Knowledge of vulnerability management, secure configuration, access control, encryption, system hardening, and security monitoring.

• Familiarity with information security frameworks, security controls, and compliance standards.

• Experience developing technical documentation, operating procedures, security policies, or authorization materials.

• Strong troubleshooting, analytical, organizational, and communication skills.

• Demonstrated ability to work effectively across multiple technical disciplines and stakeholder groups.

• Eight or more years of experience in DevSecOps, systems administration, cybersecurity, cloud infrastructure, or related roles.

• Experience supporting highly regulated, government, defense, or other security-sensitive environments.

• Experience with Authorization to Operate processes and security-control documentation.

• Experience with Cross Domain Solutions or secure data-transfer systems.

• Experience designing or supporting dataflow architectures from front-end applications through back-end and downstream processing systems.

• Experience supporting disconnected, restricted, or air-gapped systems.

• Knowledge of containerization, orchestration, artifact management, automated code scanning, and software supply-chain security.

• Experience integrating static application security testing, dynamic application security testing, software-composition analysis, and infrastructure scanning into CI/CD pipelines.

• Relevant technical or cybersecurity certifications.
  About Oak Leaf Solutions
  Founded in 2008, Oak Leaf Solutions is a mission-driven small business delivering advanced systems engineering, cybersecurity, and technical operations to U.S. Government customers. We specialize in high-impact work that supports national security, while cultivating a culture that values innovation, integrity, and employee well-being. At Oak Leaf, you’ll find a place where your skills make a difference—and where your compensation reflects your value. We offer highly competitive salaries, exceptional benefits, and meaningful opportunities for professional growth. Veterans, reservists, and cleared professionals are strongly encouraged to apply. Learn more at www.oakleafsolutions.net.
  What We Offer
  Our benefits are designed to take care of you—at work, at home, and everywhere in between:

• Premium Medical Coverage
• Tricare Supplement Plan – 100% employer-paid for employees, 80% for dependents
• Dental & Vision Insurance – 100% employer-paid
• Disability Insurance – 100% employer-paid
• Life Insurance – $100,000 policy, 100% employer-paid
• 401(k) with Company Contribution – Pre-tax or Roth, with up to $5,000/year in contributions
• Generous Paid Leave – 15 PTO days + 11 federal holidays + up to 12 weeks parental leave
• Professional Development – Up to $5,250/year for certifications, training, and education
• Wellness Perks – Gym membership reimbursement (up to $50/month) + CareFirst Blue365 discounts
• Support for Military Families – Pay differential for active duty reserve service
• …and more.

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