LMI

Senior System Administrator

Job Locations US-CO-Colorado Springs
ID
2026-14739
# of Openings
1

Overview

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.

Responsibilities

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.).

Qualifications

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. 

Job Locations

US-CO-Colorado Springs

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LMI is an Equal Opportunity Employer. LMI is committed to the fair treatment of all and to our policy of providing applicants and employees with equal employment opportunities. LMI recruits, hires, trains, and promotes people without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, pregnancy, disability, age, protected veteran status, citizenship status, genetic information, or any other characteristic protected by applicable federal, state, or local law. If you are a person with a disability needing assistance with the application process, please contact accommodations@lmi.org
Colorado Residents: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.

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