Senior Linux Systems Engineer

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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.

Location: Honolulu, HI 

Duties to include:

Linux Systems Administration & Engineering

• 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.

Enterprise & Hybrid-Cloud 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.

Cybersecurity & Vulnerability Management

• 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.

Automation & Process Improvement

• 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.

Documentation & Auditing

• 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 requirements.

Collaboration

• Collaborate with network administrators and application teams to integrate Linux systems into enterprise solutions.
• Provide technical expertise and guidance for complex Linux engineering and infrastructure issues.
• Stay current with Linux, cloud, cybersecurity, and automation technologies and recommend improvements to the enterprise environment.

• Education/Experience: Bachelor’s degree in a technology-related field OR 15 years of related experience.
• Required Skills: Experience as a Red Hat Linux Administrator.
• Clearance: TS/SCI 
• Certification: IAT Level III (CISSP/CASP) + Computing Environment (CE), Red Hat Certified System Administrator (RHCSA), One additional specialized certification cloud technology or relevant to the scope of the PWS.

Preferred Skills

• Team leadership and technical execution Professional hands-on experience in systems engineering tools.
• Written and verbal communication skills.
• Ability to think critically and problem-solve.
• Advanced skillset in time management and task prioritization.

Working Condition/Environmental Conditions 

• Standard Office Environment 

Strength Demands 

• Sedentary – 10 lbs. Maximum lifting, occasional lift/carry of small articles. Some occasional walking or standing may be required. Jobs are sedentary if walking and standing are required only occasionally, and all other sedentary criteria are met. 

Physical Requirements 

• Use Hands / Fingers to Handle or Feel; Visual acuity to perform job-related tasks

Compensation and Benefits: The salary range for this position is $150,000 - $185,000 annually, depending on qualifications, experience, etc. The company offers the following benefits to permanent, full-time employees:

• Paid Time Off (PTO)
• Group health plans
• Income protection and supplemental benefits
• 401(k) plan with company matching
• Health Savings Account (HSA)
• Flexible Spending Account (FSA)
• Pet insurance options
• Employee Assistance Program (EAP)
• Equal Opportunity & Accommodations

Digital Consultants, an inclusive and welcoming company, is fully committed to hiring and retaining a diverse workforce without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), genetic information, national origin, age (40 or older), disability, Veterans status or any other protected characteristic.