Systems Engineer

Leidos is seeking a Site Reliability Engineer to support the NMCI Service Management Integration and Transport (SMIT) program. This role focuses on the reliability, performance, and scalability of complex distributed systems supporting the Navy-Marine Corps Intranet (NMCI). The SMIT team is responsible for cybersecurity services, network operations, network engineering, service desk support, seat services, and data transport infrastructure., * Collaborate with development and operations teams to ensure reliable and efficient software deployments.

• Monitor systems and continuously improve platform reliability and performance.
• Coordinate and execute production releases during scheduled maintenance windows, including off-hours activities when required.
• Administer Windows Server environments, including patch distribution, compliance monitoring, and reporting using Microsoft Endpoint Configuration Manager (MECM/SCCM).
• Coordinate firmware updates, disk qualification packages, and system upgrades across NetApp ONTAP storage environments utilizing Active IQ Unified Manager and OnCommand Insight (OCI).
• Plan and execute non-disruptive software maintenance releases, SMUs, and image upgrades across Cisco NX-OS data center switches.
• Support infrastructure and application environments while maintaining compliance with defense and cybersecurity requirements.

Key Metrics of Success

• Maintain adherence to a seven-day vulnerability-to-production patching cadence for assigned enterprise infrastructure assets.
• Ensure comprehensive and regularly updated automated test coverage for critical systems and infrastructure components., This position supports a critical engineering team responsible for maintaining the reliability, security, performance, and operational readiness of enterprise infrastructure supporting the Navy-Marine Corps Intranet environment.

Security & Compliance

• Active DoD Secret clearance.
• DoD 8570 IAT Level II certification.
• Operating System/Application Certification, including one of the following:
• Microsoft Technology Associate (MTA)
• Microsoft Certified Solutions Associate (MCSA)
• Microsoft Certified Technology Specialist (MCTS)
• Experience supporting classified environments and SIPRNet access.
• Working knowledge of:
• Risk Management Framework (RMF)
• DISA STIGs
• ITSM and Change Management processes

Systems Administration

• 4+ years of systems administration and patch management experience.
• Strong Linux/Unix administration experience.
• Experience administering Windows Server environments.
• Active Directory administration experience.
• VMware experience.

Automation & Scripting

• Strong scripting experience using:
• Python
• PowerShell
• Bash
• Experience automating patch deployment, system health checks, and reporting.

Infrastructure Technologies

• Hands-on experience with:
• MECM/SCCM
• NetApp ONTAP
• Cisco NX-OS
• Experience supporting enterprise storage, server, and network infrastructure.

Cloud & DevSecOps

• Experience with cloud technologies, including AWS.
• Experience working in Agile and DevSecOps environments.
• Application administration experience.
• Experience using Atlassian tools such as Jira and Confluence.

Core Competencies

• Strong collaboration and communication skills.
• Ability to support scheduled off-hours maintenance activities.
• Experience operating in highly regulated enterprise environments., * Previous experience supporting the NGEN-NMCI program.
• ITIL v4, Scrum Master, Agile SAFe certifications, or equivalent experience.
• Experience developing automation solutions using PowerShell or Ansible Playbooks for patch deployment, system health monitoring, and reporting.
• Vendor-specific certifications such as:
• Microsoft Certified: Windows Server Hybrid Administrator
• Prior experience supporting defense-focused enterprise networks with strict SLA and compliance requirements.

• Program: Supports the NMCI Service Management Integration and Transport (SMIT) program.
• Schedule: Full-time position with participation in designated maintenance windows, including occasional off-hours support.
• Environment: Fast-paced enterprise infrastructure environment requiring close collaboration among engineering, operations, cybersecurity, and application support teams.