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Senior Specialist, Network Plan Engineer

Colorado Springs, Colorado
Full Time On-site

Summary

Job Description

Senior Specialist, Network Engineer collaborates with the Systems and Cybersecurity Engineering team to design and model network architectures that meet customer requirements. Analyzes, plans, and adjusts network components and software, develops and assesses performance criteria, and supports capacity planning for switching, routing, transmission, and signaling. This role contributes to the innovative, high‑performing Space and Mission Systems (SMS) segment.

In this position, you’ll deepen your network engineering expertise while making a broad impact across critical programs and projects.

Essential Functions:

  • Analyze, plan, and adjust network components and software; develop performance criteria; and support capacity planning for switching, routing, transmission, and signaling
  • Evaluate technologies and designs to meet critical infrastructure and service needs
  • Configure and harden routers, switches, firewalls, VOIP, and satellite long‑haul communications
  • Implement and troubleshoot IP networks
  • Perform patching, scanning, remediation, and auditing
  • Develop and maintain security and configuration documentation

Qualifications:

  • Education:
    • Bachelor’s Degree and minimum 6 years of prior relevant experience, or
    • Graduate Degree and a minimum of 4 years of prior related experience or
    • In lieu of a degree, minimum of 10 years of prior related experience.
  • Experience with HP/HPE, Cisco, Juniper, Arista, and F5
  • Experience with DISA SRGs/STIGs, patching, scanning, and remediation
  • Hands‑on IP network engineering experience
  • Active Top Secret with SCI required
  • Ability to obtain DoD 8570 IAT‑2 within 90 days
  • CCNA or equivalent within 90 days

Preferred Additional Skills:

  • Strong written and verbal communication
  • CCNP or equivalent vendor certification
  • Ability to plan, implement, verify and troubleshoot local and wide-area enterprise networks
  • Experience implementing and managing carrier grade network and network technologies such as Carrier Ethernet technologies.
  • Familiarity with GFE applications, such as Manticore and Cracken security applications
  • Experience in the configuration and implementation of Type-1 encryption used in encryption of data in transit (KG family of encryptors)
  • Familiarity with Network Management Systems (NMS) (Cisco Prime, HP OpenView, Etc.)
  • Familiarity with Software Defined Networking (SDN) concepts and technologies (OpenFlow, Cisco ACI, Etc.)
  • Familiarity with Cloud Networking services and architectures (AWS, Azure, or Google Cloud networking, Etc.)
  • Familiarity with Zero Trust Networking Architecture (ZTNA) concepts and technologies

In compliance with pay transparency requirements, the salary range for this role in California, Massachusetts, New Jersey, Washington, and the Greater D.C, Denver, or NYC areas is $100,500 - $185,000. The salary range for this role in Colorado state, Hawaii, Illinois, Maryland, Minnesota, New York state, Cleveland Ohio, and Vermont is $87,000 - $161,000. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

About L3 Harris

L3 Harris

L3 Harris is one of the largest defense and aerospace companies in the United States, delivering advanced technologies that support missions across air, land, sea, space, and cyber domains. The company develops communications systems, space payloads, intelligence platforms, electronic warfare capabilities, missile defense technologies, and mission-critical sensors used by the U.S. military, intelligence community, and allied nations around the world.

For job seekers, L3Harris offers opportunities across engineering, software development, cybersecurity, space systems, manufacturing, intelligence, program management, and mission operations. The company is especially attractive to veterans, cleared professionals, and engineers who want to work on advanced technologies that directly support national security. With programs spanning tactical communications, ISR platforms, satellite systems, and defense electronics, employees have the opportunity to contribute to some of the military’s most important capabilities.

Unlike companies focused on a single mission area, L3Harris operates across a diverse portfolio of defense technologies, providing employees exposure to a broad range of programs and technical disciplines. Teams work on everything from secure communications and autonomous systems to space-based sensors and electronic warfare platforms, creating opportunities for both specialization and long-term career growth within the organization.

As governments continue investing in modernization, space capabilities, resilient communications, and advanced sensing technologies, L3Harris remains one of the most important employers in the defense industry. For professionals seeking a mission-driven career with strong growth opportunities, technical challenges, and direct impact on global security, L3Harris continues to stand out as a leading destination in aerospace and defense.

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