Senior System Engineer - Linux

STENA•Baltimore, MD

3d•$145,000 - $180,000•Onsite

About The Position

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.

Requirements

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.
Must be a U.S. Person (U.S. citizen, U.S. national, lawful permanent resident, or asylee/refugee) due to access to export-controlled technology.

Nice To Haves

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.

Responsibilities

Design, implement, and support complex hybrid environments across Azure, on‑prem, and VMware; engineer integration solutions for seamless data flow and operational continuity.
Provide technical leadership to unblock and accelerate cloud migrations, ensuring alignment with long-term business roadmaps.
Optimize storage and resource utilization across diverse Linux distributions to maintain performance and cost efficiency.
Engineer and support platforms using Kubernetes, OpenShift, Docker/Podman to accelerate deployment of mission-critical applications.
Serve as SME to diagnose complex Linux failures; drive swift remediation to minimize downtime in production and migration environments.
Manage multi-site Linux ecosystems (e.g., RHEL/AlmaLinux, Ubuntu, SUSE) including stability, patching, and lifecycle management.
Use Ansible—integrating Python and Bash—to standardize server builds/configurations across multiple Linux flavors for rapid, consistent, audit-ready deployments.
Implement monitoring/alerting (e.g., Prometheus, Grafana, ELK/Splunk); participate in on-call rotations and planned maintenance windows to uphold SLAs.
Harden Linux systems to meet/exceed CIS Benchmarks; reduce attack surface and satisfy strict regulatory requirements.
Develop and maintain Crypto Standards Procedures supporting ISO 27001 compliance; contribute to policy, standards, and audit artifacts.
Manage PKI infrastructure, enforce least-privilege access standards, and implement robust account creation and restrictions.