Demo

Expert Systems Engineer - TS/SCI with Polygraph Required

LMI Consulting, LLC
Mc Lean, VA Full Time
POSTED ON 7/16/2026
AVAILABLE BEFORE 9/15/2026
Expert Systems Engineer - TS/SCI with Polygraph Required
Job Locations US-VA-McLean
Job ID 2026-13796 # of Openings 1 Benefit Type Salaried High Fringe/Full-Time
Overview

LMI currently has three opportunities for Expert Systems Engineers to support an Intelligence Community customer in the northern Virginia area.

The ideal candidate will serve in a full-time client facing role as an Expert Systems Engineer for an Intelligence Community (IC) client specializing in application development and maintenance with application instances in the cloud environment. The candidates will demonstrate polished skills in programming and execution while managing and configuring the cloud environment for optimal usage. Lastly, candidates will provide engineering support in tracking hardware devices and software licenses for stand-alone tablets and other periferal devices.

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
    Perform tasks similar to the following, or maybe required to perform additional tasks as assigned by the client.
  • Demonstrated experience working in Linux environment including working with the Linux terminal
  • Demonstrated experience creating and updating images for tablets for anti-virus and operating system updates and re-baselining tablets before re-use.
  • Demonstrated experience supporting and maintaining hardware inventory levels to include assisting with the research and procurement of the next generation of tablets, printers, and any other peripheral items required to support tablets for training classes.
  • Demonstrated experience providing support in tracking hardware devices and software licenses for stand-alone tablets.
Qualifications

Have the following required skills, certifications and demonstrated experience:

  • Demonstrated experience of client systems.
  • Demonstrated experience with maintaining web servers
  • Demonstrated experience with IIS and Nginx
  • Demonstrated experience with General server and Storage (S3) volume management and backups within AWS
  • Demonstrated experience managing clusters, managing database users and permissions, and maintaining replication in MongoDB database management
  • Demonstrated experience with, or a working knowledge of, authentication and authorization systems and standards
  • Demonstrated experience with, or a working knowledge of, web security standards
  • Demonstrated experience with, or a working knowledge of, network systems and protocols
  • Demonstrated experience with, or a working knowledge of, the Sponsor's security requirements for stand-alone devices
  • Active TS/SCI with polygraph required
  • At least a Bachelors degree
  • Demonstrated experience with Linux

Other skills and demonstrated experiences that are highly desired but not mandatory to perform the work, include:

  • Demonstrated experience with Unix scripting, Perl, Powershell, Python, Ruby, and similar technologies.
  • Demonstrated experience with unicode and multilingual, multibyte languages and computing or similar technology.
  • Demonstrated experience working with creation, maintenance, and implementation of needed workflows.
  • Degree in Systems Engineering or a similar field.

#LI-SH1

Target salary range: $114,108 - $203,112. Final compensation will be determined by a variety of factors including but not limited to your skills, experience, education, and/or certifications.

The salary range displayed represents the typical salary range for this position and is not a guarantee of compensation. Individual salaries are determined by various factors including, but not limited to location, internal equity, business considerations, client contract requirements, and candidate qualifications, such as education, experience, skills, and security clearances.

Applicants must meet eligibility requirements for a U.S. Government security clearance. Only US Citizens are eligible for a security clearance. For this position, LMI will only consider applicants with security clearances or applicants who are eligible for security clearances, due to the nature of the work.

Job Locations
US-VA-McLean
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. Need help finding the right job?
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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, pregnancy, age, national origin, disability, veteran status, or any other factors protected by applicable law. We welcome applications for employment from qualified disabled veterans, veterans of the Vietnam era, and other covered veterans.

 

Salary : $114,108 - $203,112

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