Senior Linux Systems Engineer

Leading with our people, Digital Consultants' mission is to deliver the highest level of professional solutions while being a trusted partner and advisor to our customers. With a culture of practicality, opportunity, and creativity we remain dedicated to being honest, trustworthy, respectful, and ethical in everything we do. We are a certified SBA 8(a) small, disadvantaged business that supports multiple IT customers within the Federal, civilian, and private sectors.

Digital Consultants also offers our employees growth opportunities, competitive wages, and a full benefits package. Our founding principles, Fairness and Common Sense, make working here more than a job; we are a Digital family. Digital Consultants is seeking a Senior Linux Systems Engineer to support a contract providing RHEL services to INSCOM GISA. The successful candidate will have extensive experience deploying, managing, securing, and troubleshooting enterprise Linux environments across distributed, hybrid-cloud, and global enterprise infrastructure.

The contract services will contribute to the operation, sustainment, cybersecurity, and regulatory compliance of Army JWICS and the MI Domains across the INSCOM G6/GISA global enterprise.

Honolulu, HI

• Develop, maintain, and enforce standardized RHEL system baselines in accordance with enterprise security requirements, STIGs, and operational standards
• Deploy and manage RHEL systems throughout their lifecycle, including installation, configuration, upgrades, patching, troubleshooting, and decommissioning.
• Manage RHEL software packages and repositories using YUM/DNF.
• Configure and maintain enterprise Linux services, including DNS, DHCP, NFS, and related infrastructure services.
• Manage user accounts, permissions, authentication, and access controls in accordance with established security policies.
• Apply and test kernel updates, package upgrades, security patches, and configuration changes in production and development environments.
• Monitor Linux systems for performance, security, availability, and capacity, proactively identifying and resolving issues.
• Implement and maintain system backup and disaster recovery procedures.
• Support the integration and deployment of Linux systems supporting enterprise applications and infrastructure.

• Support enterprise RHEL environments across AWS, on-premises, and geographically distributed infrastructure.
• Design and implement reliable, scalable, and secure Linux solutions supporting global enterprise operations.
• Integrate Linux systems with enterprise networking, security, authentication, monitoring, and application services.
• Troubleshoot complex infrastructure issues spanning Linux, cloud, network, and application environments.
• Evaluate existing infrastructure and recommend improvements to system reliability, scalability, security, and operational efficiency.

• Analyze weekly and monthly vulnerability scan results and identify security vulnerabilities and compliance deficiencies.
• Mitigate vulnerabilities through system reconfiguration, security patches, security updates, and configuration changes.
• Harden Linux systems using Security Technical Implementation Guides (STIGs), security baselines, and approved configurations.
• Support compliance with Risk Management Framework (RMF) and applicable Intelligence Community security requirements.
• Track, document, and report vulnerability remediation activities.
• Collaborate with Information Assurance and Cybersecurity teams to ensure Linux systems meet applicable security and compliance requirements.
• Support security assessments, audits, inspections, and authorization activities.

• Implement and manage automated patching, configuration management, and vulnerability remediation.
• Utilize automation and configuration-management technologies such as Ansible, Puppet, and Chef. Identify opportunities to automate repetitive administrative and security tasks.
• Develop standardized and repeatable processes for Linux deployment, configuration, hardening, patching, and maintenance.

• Document vulnerability findings, remediation activities, configuration changes, and resolutions.
• Support security audits and compliance assessments by providing technical information and documentation.
• Maintain documentation necessary to support RMF and Intelligence Community compliance…