Senior System Administrator

LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.

Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors-helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value.

LMI is seeking a skilled Senior System Admin at our headquarters office in Colorado Springs CO.

Responsibilities of the position may include:

Perform system builds, security hardening, and deployment across multiple DoW environments and classification levels.
• Familiar with working in SCI/SAP environments; understand standard SCIF process and protocols.
• Apply networking concepts involving firewalls and routers.
• Utilize systems analysis techniques and procedures to resolve IT hardware and software infrastructure issues.
• Collaborate with IT teams to maintain optimal infrastructure performance and availability.
• Produce and maintain technical documentation, diagrams, and Standard Operating Procedures (SOPs).
• Work independently with a high degree of motivation; managing and prioritizing tasks in a dynamic environment.
• Provide excellent customer service and effectively communicate and brief government leadership.
• Active Top-Secret clearance with SCI eligibility
• DoD 8140/8570 IAT Level II certification (Security+, CISSP, CCNA, etc.).

MINIMUM QUALIFICATIONS:

• Bachelor's degree in related discipline
• 7+ years' experience in IT infrastructure management
• Experience and proficiency with MS Office Suite (Excel, Outlook, PowerPoint, Project, Word), SharePoint, Defense Connect Online (DCO)
• US citizen with a Top Secret SCI clearance required
• Ability to understand and implement Agile concepts and principles.
• Skilled in interpreting and applying Security Technical Implementation Guides
• Deep understanding of TCP/IP, DNS, DHCP, VLANs, and firewall management.
• Strong analytical and organizational skills
• Proven analytical and problem-solving abilities.
• Ability to effectively prioritize and execute tasks in a high-pressure environment.
• Strong communication skills and ability to adapt communication to a specific audience
• Highly self-motivated and directed.
• Team-oriented and skilled in working within a collaborative environment.