Senior Linux Engineer

Summary

Join EXPANSIA, a service-disabled, veteran-owned small business, as a Senior Linux Engineer to support our customer in providing EIT services across 187 bases. You will contribute to a consistent, high-quality user experience across all mission environments, enabling the USAF to focus on mission operations. This full-time, permanent position offers a hybrid remote work option in Chantilly, VA, with a proposed salary range of $113,500–$170,500. EXPANSIA values work-life balance and offers competitive compensation, benefits, and learning and development opportunities. Our benefits package includes health and wellness programs, income protection, paid leave, and retirement and savings plans.

Requirements

• Active Secret Clearance
• Bachelor’s Degree in relevant field and 10 years of relevant experience required
• Security+ CE Certification (or other IAT Level II or III Certification) at a minimum
• Demonstrated experience with systems administration in Linux environments (RHCE equivalence) or Windows Server environments (MS Security Engineer/Solution Architect equivalence)
• Demonstrated hands-on experience installing, configuring, securing, integrating, upgrading and troubleshooting SE Linux/CentOS (prefer some hands-on experience with AlmaLinux or Rocky Linux too) – preferably in VM environments

Responsibilities

• Provide analysis, design, development, and integration of hardware, software, human-machine interfaces, and all system level requirements and functional objectives to provide an integrated EIT solution while considering the limitations imposed by practicality, regulation, safety, and cost
• Develops integrated system test requirement, strategies, devices, and systems
• Ensures highest level of Cybersecurity while balancing user needs
• Initiates (does not wait for others) to identify key areas of improvement relating to anything Systems related
• Install new software releases, system upgrades, evaluating and installing patches and resolve software related problems
• Perform system backups and recovery
• Maintain data files and monitors system configuration to ensure data and security integrity
• Possesses and applies expertise across key tasks and high impact assignments
• Plans and leads major assignments
• Responsible for designing, implementing, and managing complex Linux-based systems and infrastructure
• May mentor or task lead others
• Design and implement large-scale Linux infrastructure solutions
• Manage and optimize existing Linux environments; Review existing configurations, document in case of Disaster recovery
• Develop and maintain automation scripts and tools
• Troubleshoot complex system and network issues
• Implement security best practices and ensure compliance
• Mentor junior team members and provide technical leadership
• Collaborate with other IT teams on cross-functional projects
• Evaluate and recommend new technologies and solutions
• Participate in capacity planning and performance tuning
• Manage disaster recovery and business continuity plans

Preferred Qualifications

• Experience with installing/configuring/troubleshooting Security tools (i.e., Windows, Azure, Linux) beyond default settings meeting highest level government standards relating to data, applications, OS, networking, infrastructure, etc
• Strong knowledge of enterprise Linux distributions (e.g., RHEL, CentOS, Ubuntu)
• Proficiency in shell scripting (Bash) and at least one programming language (e.g., Python, Perl)
• Experience with configuration management tools (e.g., Ansible, Puppet, Chef)
• Knowledge of virtualization and cloud technologies (e.g., Hyper-V, KVM, AWS, Azure)
• Understanding of networking protocols and services
• Familiarity with containerization and orchestration (e.g., Docker, Kubernetes)
• Experience with monitoring and logging systems
• Strong problem-solving and analytical skills

Benefits

• Health and wellness programs
• Income protection
• Paid leave
• Retirement and savings