Demo

Sr Network Engineer/Architect

Modern Technology Solutions, Inc.
Lorton, VA Full Time
POSTED ON 7/23/2026
AVAILABLE BEFORE 9/22/2026
As a Sr Network Engineer/Architect with MTSI you will provide technical guidance and direction for transport network design and engineering, network routing protocols, advanced virtual networking technologies for missions to support operations

Other Duties:
  • Establish overall strategic network standards and priorities
  • Plan large-scale projects through vendor comparison and cost studies
  • Analyze the optimization of network system performance
  • Oversee the strategic interface of network systems configuration
  • Design and define system architecture for new or existing systems
  • Design, implement, and maintain hybrid cloud integration with multiple public cloud service providers
  • Identify COMSEC security requirements for the networks and platforms

Required:
  • 20 years of experience working as a Network Engineer/Architect
  • Familiarity with DoD, IC, and inter-departmental/inter-agency collaboration
  • Expertise in networking protocols (TCP/IP, VPN, BGP, etc.) and security standards.
  • Familiarity with DoD compliance frameworks.
  • Experience with enterprise-level network monitoring and management tools.
  • Experience in designing and defining system architecture for new or existing systems.

Educational Requirements:
  • Bachelor's Degree in a related field REQUIRED
  • Master's Degree preferred

Clearance Requirements:
  • Candidate must have a US Top Secret SCI security clearance with SAP experience

Please Note: U.S. Citizenship is required.
The pay range for this position is $180,000/year to $220,000/year; however, base pay offered may vary depending on established government contract ranges, job-related knowledge, skills, and experience, and other factors. MTSI offers a full range of medical benefits, 401k, ESOP, paid time off, and other benefits, dependent on the position offered. Base pay information is based on market location. Applications will be accepted on an ongoing basis. This posting will be renewed periodically until the position is filled.

#mtsi
#LI-LS1
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  • Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security.
  • Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry.
  • 100% Employee Owned: We have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year.
  • Great Benefits - Most Full-Time Staff Are Eligible for:
    • Starting PTO accrual of 20 days PTO/year 10 holidays/year
    • Flexible schedules
    • 6% 401k match with immediate vesting up to $9k annually
    • Semi-annual bonus eligibility (July and December)
    • Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account
    • Up to $10,000 in annual educational reimbursement
    • Other company funded benefits, like life and disability insurance
    • Optional zero deductible Blue Cross/Blue Shield health insurance plan
  • Track Record of Success: We have grown every year since our founding in 1993.

Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance

MTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.

For more information about MTSI, please visit www.mtsi-va.com


MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.


MTSI is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.

 

Salary : $9,000 - $220,000

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