Modern Technology Solutions, Inc. (MTSI) is searching for a COMSEC and Network Engineer in support of United States Space Force (USSF) Space Systems Command (SSC) and Combat Forces Command (CFC) Defensive Cyber Operations.

This role focuses on serving as a COMSEC and Network Engineer supporting Defensive Cyber Operations – Space (DCO-S). The engineer designs, implements, maintains, and troubleshoots secure network infrastructure and communications security capabilities that enable DCO-S mission systems and operational units. Has an in-depth understanding of DoD/USSF network architectures, cryptographic systems, and government-sector cybersecurity requirements, with sufficient hands-on expertise to sustain secure connectivity, COMSEC accountability, and network health in classified and operational environments. Provides technical support in collaboration with DCO-S operators, system administrators, ISSOs, and program stakeholders. This position may require privileged access and DoD 8570/8140 restrictions will apply.

Key responsibilities

Lead the contract program risk management process, including identification, analysis, prioritization, mitigation planning, and residual risk tracking.

• Design, configure, and maintain secure network infrastructure supporting DCO-S systems and operational sites.
• Manage COMSEC account activities, including key material handling, cryptographic device support, inventory, and accountability in accordance with applicable directives.
• Install, configure, manage, and sustain TACLANE encryptors, including keying when required, to support secure network connectivity.
• Implement and sustain network security controls, including firewalls, routers, switches, encryption devices, and related boundary protections.
• Troubleshoot network connectivity, performance, and cryptographic issues affecting mission systems and fielded capabilities.
• Support integration of DCO-S tools and sensors onto classified networks (e.g., SIPR, JWICS, or equivalent).
• Apply and validate STIG, SCAP, and configuration baseline requirements for network and COMSEC devices.
• Coordinate with site personnel, operators, and engineering teams to resolve network and COMSEC issues at enterprise and operational locations.
• Maintain accurate documentation of network configurations, COMSEC inventories, and change activities.
• Support assessments of network health, availability, and security posture for internal and fielded DCO-S capabilities.
• Assist with planning and execution of network changes, upgrades, and sustainment activities while minimizing mission impact.

Desired skills/experience:

• Hands-on experience with enterprise and tactical network devices (routers, switches, firewalls, encryption equipment).
• Experience supporting COMSEC operations, key management, and cryptographic device sustainment.
• Familiarity with classified network environments and DoD cybersecurity requirements (STIGs, RMF, continuous monitoring).
• Ability to troubleshoot complex network and secure communications issues in operational settings.
• Experience supporting cyber or space mission systems is highly desirable.
• Strong documentation and coordination skills with operators, engineers, and security personnel.
• Ability to work independently while collaborating across program and operational teams.

Education/Certification Minimum Requirements:

Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, Network Engineering, or a related field (or equivalent experience).

5+ years of relevant experience in network engineering, COMSEC support, or secure communications within a DoD, USSF, or federal environment.

Clearance:

Must possess a Top Secret with SCI eligibility. SAR/SAP experience highly desirable.

Location/Travel Requirements:

Place of work is Colorado Springs; remote work opportunity is limited. You may be required to travel periodically, less than 25%

The pay range for this position in Colorado is $130,000/year to $150,000/year; however, base pay offered may vary depending on established government contract ranges, job-related knowledge, skills, and experience, and other factors. MTSI also offers a full range of medical, financial, 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.

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Perks and Benefits

• Vacation:

  New Hires Accrue 20 days of PTO and 10 Holidays per Year

• Health Insurance:

  Zero Deductible Health Plans

• Flexible Schedules:

  Flex Schedules

• Professional Development:

  Up to $10,000 Annual Education/Training Reimbursement

• ESOP:

  Funded Stock Ownership Plan

• 401k Match+:

  6% 401k Match + Immediate Vesting

• Bonus Program:

  Semi-Annual Bonus Opportunity

• Mentorship:

  Career Mentorship Programs

Why is MTSI a great place to work

• 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 Decemeber)
  • 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 visitwww.mtsi-va.com

EEO Statement

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.

Why is MTSI a great place to work

• 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 Decemeber)
  • 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