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Sr Associate, Network Planning Engineer

San Antonio, Texas; Austin, Texas; Colorado Springs, Colorado

Job ID CS20210311-72034
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On the L3Harris team, your job is to secure the world. We don’t work here just for the advanced technology and equipment: We work here because we know what – and who – we’re protecting. From families to the intelligence community, and from our climate to our men and women in uniform – we’re making the world a safer place. Working in Software with L3Harris you'll join our team of qualified, diverse individuals and work in a fast-paced environment with high expectations, global scope, and a collaborative team setting.

  • Full Time
  • Level: Experienced
  • Location: On Site
  • Glassdoor Reviews and Company Rating

Success Profile

What makes a successful Engineer at L3Harris?
Check out the traits we’re looking for and see if you have the right mix.

  • Innovative
  • Technical
  • Influential
  • Critical Thinker
  • Analytical
  • Detail Oriented


I love my job because every day there’s a new problem to tackle, a new skill to learn and an awesome team that has my back.

Heather S., Engineer

L3Harris Work Perks

  • Health

    • Medical with a High Deductible and traditional PPO plan options, as well as, vision and a full array of supplemental health benefits
    • A doctors' service to help with referrals and second opinions for you, your family, and parents

  • Family

    • 4 weeks of paid parental leave for moms and dads
    • Fertility treatment
    • Subsidized backup childcare and eldercare
    • Adoption assistance - $5,000 per adoption/$15,000 per employee
    • Pet insurance

  • Well-Being

    • No cap to your PTO time (for exempt employees)
    • Dress for your day - wear what works for you at work
    • Legal plan for you, your family, and parents
    • Discount platform

Job Description

L3Harris is dedicated to recruiting and developing diverse, high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual revenue and 47,000 employees, with customers in more than 100 countries.


Job Title: Sr. Associate, Network Planning Engineer

Job Location: USA-TX-San Antonio

Job Code: CS20210311-72034

L3Harris is currently searching for a Sr. Associate Network Planning Engineer for our Texas location. The Network Planning Engineer requires a current active Top Secret Clearance with SCI eligibility within the last 2 years. They will have a strong background in the management and maintenance in Microsoft Server environment; will maintain Network Operation Centers’ Servers and Virtual Server environment per DoD Netops governance and procedures. The Network Planning Engineer will be responsible for the collaboration of planning and engineering of the Operation Centers’ servers and virtual environment infrastructure. Includes the implementation and design of hardware and software. Monitors the performance of systems. Familiar with standard concepts, practices, and procedures of managing servers and virtual environments. Ability to perform tasks under minimal supervision. A certain degree of creativity and latitude is required. Will report to the engineering supervisor and site manager.

Essential Functions:

• Provide Network Support services for a Department of Defense (DoD) Senior Leader Network, exercising discretion and independent judgement when events or incidents occur to ensure corrective actions are captured and incidents resolved in an expedient manner.

• Optimize system performance with quick and independent decision making skills after analyzing RF usage, prioritization of users and then assist with mission planning and RF handovers.

• Manage WAN router, switch, and other networking configurations

• Use DISN data flows and coordinate applicable actions/issues with DISA

• Address network and connectivity issues instantaneously to support DoD Senior Leaders.

• Assist in subscriber frequency planning based on approved Discovery Frequency of Day for transient mobile activities

• During Missions, monitor RF Connections and links and update or independently advise when appropriate

• Monitor radio via GUI's (COMSEC, frequencies, Mission Mode, discoveries, mission record, coordinated change)

• Manage SATCOM RF resources by monitoring frequencies, power control, and hand-offs to optimize connectivity

• During Post Mission, Review mission performance trends, provide appropriate communication status reports, daily activity reports, RF performance statistics and maintain the Master Station Log

• Perform post-mission analysis to assess performance against requirements, establish trends, and optimize future missions

• Operate computer network equipment to ensure network systems are available to our network subscribers seven days a week, 24 hours a day, 365 days each year

• Maintain proficiency training based on prescribed and posted NETWORK training guidelines

• Manage and coordinate RF equipment Authorized Service Interruptions (ASIs)

• Update troubleshooting Guide from lessons learned.

• Operate and maintain databases and analyze network capabilities to ensure resolution of all network incidents and immediate recovery of the network

• Provide Tier III engineering support to subscriber aircraft on live missions and serve as a point of entry for any RF field support and/or corrective maintenance actions

• Provide 2nd level and when possible third level support for terrestrial network connectivity support during high-level DoD missions

• During Pre-Mission, Monitor RF status and identify improvement opportunities related to performance

• Monitor daily performance of systems and analyze root causes or system improvement opportunities

• Monitor/respond to System Events/Alerts/Logs (for incident response, troubleshooting, and archival)

• Monitor the system to ensure efficient utilization and allocation of network and computer resources and facilities to maintain satisfactory response to customers using the network.

• Monitor Network Performance (Node/Interface/Processor/Memory/Volume Status)

• Monitor and maintain and troubleshoot COMSEC / TRANSEC equipment and keying material issues

• Must be able to observe and interpret computer and network system messages instantly and use independent decision making skills to ensure commands are immediately addressed and that network systems are restored quickly when hardware, software, or power failures occur.

• Manage frequency configuration at the individual RF sites prior to mission

• Ensure readiness status of RF equipment including BIT, antenna pointing and polarization, and mission recording in high pressure situations involving a high degree of significance.

• Perform preventative maintenance: Analyze and troubleshoot computer and network system health and status to identify potential problems and develop solutions before outages occur, using diagnostic tools

Basic Qualifications:

  • Must have a current Top Secret clearance with SCI eligibility within the last 2 years
  • Sec+ required and one of the following also required: MCSE, Network+, CCNA Security, CySA+, or CISSP
  • Bachelor’s Degree and a minimum of 2 years of prior related experience or 2 years post-Secondary/ Associates Degree and a minimum of 6 years of prior related experience.

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.


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 résumé for this position, you understand and agree that L3Harris Technologies may share your résumé, 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 proud to be an Affirmative Action/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.

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.

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