Full-Time

Systems Architect

Posted on 8/18/2025

L3Harris Technologies

L3Harris Technologies

10,001+ employees

Defense technology solutions for national security

Compensation Overview

$108.5k - $201.5k/yr

Rochester, NY, USA

In Person

Willingness to travel 25-40% to international locations.

US Citizenship, US Top Secret Clearance Required

Category
Hardware Engineering (1)
Requirements
  • Bachelor’s Degree and a minimum of 9 years of prior related Systems Level Design and Integration experience. Graduate Degree or equivalent with 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience.
  • Familiarity with Foreign Military Sales (FMS) and Direct Contract Sales (DCS) programs gained from experience working in the international defense market, an understanding of ITAR/EAR trade compliance requirements, and a willingness to embrace working across cultural boundaries throughout the European region.
  • Ability to obtain a US Secret Security Clearance.
  • Willingness to travel 25-40% of the time to international locations to support customer meetings, demos, conferences and equipment integration.
Responsibilities
  • Lead technical discussions with customer development teams, leveraging L3Harris Radio and modern MANET Waveforms.
  • Coordinate with Sales, Program and Project Management to translate customer requirements, including informal ones, into balanced technical, schedule, and cost solutions. Participate alongside the Sales and Business Development teams in growing regional business, opportunities and strategic goals.
  • Develop comprehensive system architectures to meet customer-specific requirements for Communications modernization and C4ISR systems, ensuring deployment over various radio frequencies for voice and data applications.
  • Establish reusable and scalable Systems Architectures and System Concepts of Use tailored to customer-specific requirements and use cases to support Brigade level communication system modernization. Ability to incorporate dynamic and evolving customer needs throughout development of the system architecture.
  • Provide guidance during design and integration activities of L3Harris products with third-party systems, including intercom systems, electronics, software applications, and power systems, from international suppliers and regional partners.
  • Assist with the physical integration designs and plans or Radio products into platforms such as land vehicles, shelters, fixed sites, ships, aircraft, and UAVs on-site at customer military facilities and/or contractor and partner facilities.
  • Prepare white papers and presentations, and present custom systems solutions directly to customers.
  • Represent L3Harris Communication Systems at NATO and Customer-lead conferences and technical meetings, and share relevant topics of interest to internal L3H teams on the latest Communications and Multi-Domain Operations (MDO) trends.
  • Partner with Product PLM and Engineering to influence technical product changes and roadmaps based on significant customer requirements.
  • Develop relationships with technical teams from European CDR network and regional strategic partners to increase technical capacity, systems integration and interoperability.
  • Familiarity with Foreign Military Sales (FMS) and Direct Contract Sales (DCS) programs gained from experience working in the international defense market, an understanding of ITAR/EAR trade compliance requirements, and a willingness to embrace working across cultural boundaries throughout the European region.
  • Develop relationships with technical teams from European CDR network and regional strategic partners to increase technical capacity, systems integration and interoperability.
Desired Qualifications
  • IP Network
  • RF Propagation, RF Co-Site, RF Colocation
  • Proficiency in model-based systems engineering (MBSE) tools and methodologies.
  • Experience with requirements management and system modeling tools.
  • Knowledge of Multi-Level Security (MLS), cross-domain networks, and Federated Mission Networking (FMN) Framework Process for net-centric operations.
  • Strong technical proposal experience to include knowledge and expertise in the following areas: detailed scheduling, work breakdown structure development, basis of estimates development and technical writing.
  • Experience of demonstrated in Systems Design and Systems Integration with relevant technologies.
L3Harris Technologies

L3Harris Technologies

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L3Harris Technologies provides defense and national-security technology solutions across space, air, land, sea, and cyber domains. It develops integrated systems with advanced communications, surveillance, and reconnaissance to support government agencies and defense contractors under long-term contracts. The product combines hardware, software, and services to deliver secure, interoperable, mission-critical capabilities. Its goal is to help clients strengthen operational readiness and national security through reliable, multi-domain technologies and sustained partnerships.

Company Size

10,001+

Company Stage

IPO

Headquarters

Melbourne, Florida

Founded

1895

Simplify Jobs

Simplify's Take

What believers are saying

  • Backlog doubles to $40B, providing twice revenue coverage through 2026.
  • $1.27B Virginia investment quadruples solid rocket motor production by 2031.
  • Classified space contracts reach 28% of business, targeting multi-billion growth.

What critics are saying

  • Fixed-price Artemis II contracts trigger margin erosion from cost overruns in 2027.
  • RTX captures US Army night-vision follow-ons via lobbying by Q2 2027.
  • Lockheed cuts F-35 C3ISR sourcing, slashing 15% revenue by 2028.

What makes L3Harris Technologies unique

  • L3Harris delivers end-to-end solutions across air, land, sea, space, and cyber domains.
  • Proprietary image intensifier technology leads 12.5% night-vision market share.
  • Deceptor payload enables real-time autonomous electronic warfare on UAS.

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Benefits

Health Insurance

Disability Insurance

401(k) Retirement Plan

401(k) Company Match

Paid Vacation

Paid Holidays

Mental Health Support

Relocation Assistance

Company News

Yahoo Finance
Apr 13th, 2026
L3Harris Technologies grows EPS 16% annually with $220M insider stake

L3Harris Technologies has demonstrated solid financial performance with earnings per share growing 16% annually over the past three years. The US$66 billion defence contractor reported revenue of US$22 billion, up 2.5%, whilst maintaining stable EBIT margins. Company insiders hold US$220 million worth of shares, representing 0.3% of the company. Whilst modest in percentage terms due to L3Harris's size, this stake provides alignment between management and shareholders. The company's combination of revenue growth, profit expansion and insider ownership distinguishes it from speculative, loss-making ventures. Its established track record of profitability offers investors lower risk compared to companies relying solely on growth narratives without financial substance. The article suggests L3Harris warrants consideration for investors seeking profitable, growing companies over high-risk ventures.

Yahoo Finance
Apr 9th, 2026
L3Harris up 71.8% in one year but trades at premium 42.1x P/E multiple above industry average

L3Harris Technologies has raised investor attention following recent share price movements, with the stock up 2.3% over the past week. The company has delivered strong longer-term returns, including a 71.8% one-year total shareholder return and 92.9% over three years. With revenue of $21.9 billion and net income of $1.6 billion, L3Harris is trading at $361.97. One valuation narrative suggests the stock is modestly undervalued at a fair value of $392.16, supported by expected US defence budget growth and the company's positioning in areas like missile warning and tracking. However, L3Harris' current price-to-earnings ratio of 42.1x sits above the US aerospace and defence industry average of 38.8x, suggesting potential valuation risk if market sentiment shifts.

The Associated Press
Apr 8th, 2026
Xoople and L3Harris unveil AI-optimised satellite constellation after seven years of development

Xoople, an AI data infrastructure company, and L3Harris Technologies have announced the co-development of a satellite constellation optimised for AI applications. The system, resulting from seven years of design and research, aims to deliver unprecedented precision in Earth observation data. The constellation features advanced optical and sensor design to maximise data quality, providing what Xoople calls "Earth's System of Record". The platform is designed to support AI systems shifting towards autonomous action, offering real-time monitoring with precision levels where even 1% error is unacceptable. Applications include supply chain optimisation, infrastructure management, risk underwriting, disaster response and security monitoring. CEO Fabrizio Pirondini said the system delivers the scale and precision required for AI-era decision-making across enterprises and governments.

Yahoo Finance
Apr 2nd, 2026
L3Harris powers NASA's Artemis II with over 100 mission elements, but fixed-price contracts may pressure margins

L3Harris Technologies supplied propulsion, avionics, thrusters and communications systems for NASA's Artemis II mission, the first crewed lunar journey in over 50 years. The company's involvement spans more than 100 mission elements, highlighting its capabilities in space hardware and systems integration for government programmes. Whilst the Artemis II role demonstrates L3Harris's technical breadth, analysts note it does not materially alter the near-term investment case. The company faces ongoing risks from fixed-price development contracts and potential US space budget constraints that could pressure margins. L3Harris's investment narrative projects $27 billion in revenue and $2.9 billion in earnings by 2029, requiring 7.3% annual revenue growth. Community analysts estimate fair value between $388 and $452 per share.

Yahoo Finance
Mar 23rd, 2026
Hegseth pushes $200B defence spending boost — Axon and L3Harris named top buys

US Defense Secretary Pete Hegseth plans to request $200 billion from Congress to fund operations against Iran, adding to the Pentagon's roughly $1 trillion budget for the current fiscal year. Two defence stocks well-positioned to benefit from this spending increase are Axon and L3Harris, according to Barchart. Axon, which provides law enforcement equipment including Tasers and AI-driven systems, reported 39% revenue growth to $797 million in Q4. The company's AI-powered tools are particularly relevant given recent suspected terrorist attacks in the US. L3Harris, a defence contractor selling missiles, satellites and communications products, saw 6% revenue growth to $5.6 billion last quarter, whilst cash from operations jumped 74% year-over-year. Analysts predict Axon's earnings per share will rise 13% this year and 115% in 2027.

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