Senior System Engineer - Linux

Who YOU are and what YOU can become: We are seeking a Senior Infrastructure Engineer (Linux OS) to lead modernization, security, and scalability initiatives across our enterprise environments. Based onsite in Baltimore, MD, this role manages multi-site Linux server infrastructure and plays a pivotal part in hybrid cloud architecture, advanced automation, and security/compliance aligned with aerospace industry standards. The ideal candidate is a hands-on leader who drives resilience, operational efficiency, and future-proofing through code-driven solutions and next-generation technologies. Who WE are and where WE are going At ST Engineering MRAS, our employees have amazing opportunities to work on advanced technologies and systems that support thousands of customers and millions of people worldwide every day. From the first flight across the Pacific Ocean to developing highly complex structures for the most popular aircraft in the world, we have come a long way always with a can-do approach to problem solving while delighting customers with our high say-do ratio. We are looking for people with innovative ideas and the drive to help us grow into the future. A pioneer in the production and assembly of complex aerostructures including aircraft and rocket components, engine nacelle systems, thrust reversers and advanced composite products, we apply the latest digital technologies and automation in composite design and manufacturing that are second to none. At ST Engineering MRAS, we are also rapidly augmenting our maintenance, repair and overhaul (MRO) capabilities leveraging the company’s expanded aircraft nacelle portfolio as well as it’s materials and processing expertise. What YOU will do: Strategic Infrastructure & Hybrid Cloud Architecture Hybrid Cloud Orchestration: Design, implement, and support complex hybrid environments across Azure, on‑prem, and VMware; engineer integration solutions for seamless data flow and operational continuity. Cloud Migration Leadership: Provide technical leadership to unblock and accelerate cloud migrations, ensuring alignment with long-term business roadmaps. Resource & Storage Management: Optimize storage and resource utilization across diverse Linux distributions to maintain performance and cost efficiency. Containerization & Modernization: Engineer and support platforms using Kubernetes, OpenShift, Docker/Podman to accelerate deployment of mission-critical applications. Advanced Automation & Operational Excellence Root Cause Analysis (RCA): Serve as SME to diagnose complex Linux failures; drive swift remediation to minimize downtime in production and migration environments. Enterprise Server Management: Manage multi-site Linux ecosystems (e.g., RHEL/AlmaLinux, Ubuntu, SUSE) including stability, patching, and lifecycle management. Infrastructure as Code (IaC): Use Ansible—integrating Python and Bash—to standardize server builds/configurations across multiple Linux flavors for rapid, consistent, audit-ready deployments. Observability & Reliability: Implement monitoring/alerting (e.g., Prometheus, Grafana, ELK/Splunk); participate in on-call rotations and planned maintenance windows to uphold SLAs. Security, Compliance, and Governance (Aerospace Focus) System Hardening & Benchmarks: Harden Linux systems to meet/exceed CIS Benchmarks; reduce attack surface and satisfy strict regulatory requirements. Policy & Certification Documentation: Develop and maintain Crypto Standards Procedures supporting ISO 27001 compliance; contribute to policy, standards, and audit artifacts. Access Control & Identity: Manage PKI infrastructure, enforce least-privilege access standards, and implement robust account creation and restrictions. Frameworks & Controls (Preferred): Experience with NIST 800‑53, FedRAMP, and DoD STIGs in regulated environments. What YOU must bring to Succeed Must have at least a bachelor’s degree in Information Technology or a relevant discipline 10+ years of hands-on experience as a Infrastructure Engineer or similar role managing multi-site environments. Expertise with RHEL/AlmaLinux, Ubuntu, and/or SUSE; strong skills in VMware vSphere, Azure, and hybrid architectures. Proficiency in Ansible, Bash, and Python for automation; strong understanding of TCP/IP, DNS, DHCP, LDAP/AD integration, and networking fundamentals. Demonstrated experience with Kubernetes/OpenShift and container runtime tooling (Docker/Podman). Proven track record in system hardening, vulnerability remediation, and audit readiness (CIS/ISO). Strong RCA and troubleshooting skills; ability to lead complex incident resolution across cross-functional teams. This position involves access to export-controlled technology which requires U.S. Person status or government authorization. A ‘U.S. Person,’ as defined by 22 C.F.R. §120.62, includes U.S. citizens, U.S. nationals, individuals lawfully admitted for permanent residence (green card holders), and individuals granted asylum or refugee status in the United States. To be considered for this position, you must either be a U.S. Person or fall within a legally recognized export control exception or authorization. If hired, you will be required to provide valid proof of such status. Desired Characteristics Certifications: RHCE/RHCSA, CKA/CKAD, Azure Administrator (AZ‑104) or Azure Architect (AZ‑305), CompTIA Security+. Experience with Terraform, Git/GitLab CI, secret management (e.g., HashiCorp Vault), and SIEM solutions (Splunk/ELK). Familiarity with aerospace/regulated environments. At ST Engineering - MRAS, we offer great rewards, competitive pay, career advancement and growth opportunities. Estimate salary range for this role: $145,000 to $180,000 per year. ST Engineering considers several factors with extending job offers, including but not limited to candidates’ key skills, relevant work experience, education/training/certification, job level, and work location. Base salary is only one component of our competitive Total Rewards package. ST Engineering - MRAS Benefits: As a full-time employee of ST Engineering- MRAS, you are eligible for our benefits package including: Medical, Dental, and Vision coverage starting from start date Health Flexible Spending Accounts Free Onsite Gym with weekly fitness classes Immediate 401k vesting Educational Assistance Life Insurance Paid Time off (Permissive for exempt staff) Employment Notice: Background and Drug Screening Requirements As part of our commitment to maintaining a safe and secure workplace, successful completion of a background check and drug screening is a mandatory condition for employment. All offers of employment are contingent upon satisfactory results from these screenings. It takes diverse talent to solve real-world problems. ST Engineering is deeply committed to building a workplace community where inclusion is valued, and everyone feels welcomed. We’re proud to consider all qualified applicants for employment without regard to race, color, religion, sex, pregnancy, family status, marital status, sexual orientation, national origin, disability, age, or veteran status, or any other legally protected grounds. So, bring us your personal experience, your perspectives, and your background. It’s through our differences that innovative changes are made. ST Engineering is committed to providing reasonable accommodations to qualified individuals with disabilities in the employment application process. To request an accommodation, please contact our Talent Strategies team at View phone number on click.appcast.io, or by email at View email address on click.appcast.io.