Full-Time
Principal Software Engineer
Posted on 7/31/2025
Ultra Intelligence and Communications
201-500 employees
Mission-critical secure comms and C2 systems
No salary listed
Maidenhead, UK + 1 more
More locations: Gloucester, UK
In Person
US Top Secret Clearance Required
 Software Engineering (2) |
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- Willing and able to obtain, and maintain, SC security clearance.
- Willing and able to obtain, and maintain, DV security clearance (following attainment of SC clearance).
- Degree in an engineering, mathematical or science-based subject or equivalent experience.
- Significant experience of at least one of the following: Embedded product development (including bare-metal and RTOSes such as ThreadX, QNX or Linux), Embedded Linux application, kernel and/or driver development, C and C++.
- Significant experience of best practice software development processes/lifecycles.
- Experience of Object-Oriented Design and Design Patterns such as SOLID.
- Experience of software testing and design for test.
- Architect, specify requirements, design, implement and test embedded and/or application software in accordance with the project software development process to ensure high quality and timely software deliverables.
- Apply object-oriented design techniques to enable code re-use and integration with testing frameworks.
- Review and understand system design artefacts to enable the derivation of software requirements and architecture that meet the high-level system requirements.
- Design, document, review and maintain the software design using modelling tools such as RSA and EA, ensuring model can be used for accurate code generation as required.
- Develop and maintain knowledge of best practice development processes, language standards and tools, e.g. TDD/BDD, Continuous Integration, DevSecOps, static and run-time analysis tools, C++ standards and secure software development.
- Estimate time and effort required for software activities and deliver to these time and effort estimates to ensure cost and schedule adherence.
- Contribute to the Software Community of Practice by proposing improvements in tools, processes and techniques that support quality and innovation and make the software development more efficient and effective.
- Actively contribute to and/or lead defined aspects of the project to achieve optimal balance between requirements, schedule and cost.
- Generate and review technical proposals, and provide accurate estimates for the associated effort, costs and risks, for bids and proposals, leading to contract awards.
- Mentors and coaches less experienced engineers; shares knowledge willingly and constructively.
- Reviews and signs off significant technical documents; frequently chairs technical reviews for significant deliverables.
- May have between 0 and 4 direct reports.
- Explains technically complex concepts clearly to less technical/involved parties.
- Manage security of information as defined in the Security manual to ensure compliance with Government regulations.
- Master’s degree in an engineering, mathematical or science-based subject or equivalent experience.
- Rust
- Javascript, node.js, react.js
- Communications protocols – e.g. TCP/IP
- Experience of using version control, continuous integration and automated test tools and frameworks
- Exposure to defensive coding techniques and standards such as MISRA
- Advanced knowledge of software engineering practices, methodologies, processes, techniques and technology trends
- Experience of DOORS, RSA, Enterprise Architect, UML and SysML
Ultra Intelligence & Communications delivers integrated defense systems for mission-critical operations, focusing on secure command, control, and communications for military and defense clients. Its products include secure networks, C2 systems, cybersecurity protections, and electronic warfare capabilities that combine hardware, software, and services to operate in harsh environments. The company stands out by offering end-to-end, mission-focused systems tailored for government and defense contractors, with long-term development, deployment, and support contracts that integrate multiple capabilities into a single platform. Its goal is to provide trusted, observable, and resilient information and control to sustain mission success and force protection.
Company Size
201-500
Company Stage
N/A
Total Funding
N/A
Headquarters
Austin, Texas
Founded
1993
Simplify's Take
What believers are saying
- U.S. Army awards $86.8M Guam IBCS contract March 2025.
- Canadian Forces trial Archer for Arctic March 2026.
- EWAAC prime on $46B Air Force contract April 2025.
What critics are saying
- Starlink polar coverage operational late 2026 displaces Archer.
- Link-16 obsolesces by 2027-2028 stranding $200M base.
- Raytheon undercuts EWAAC task orders within 6-12 months.
What makes Ultra Intelligence and Communications unique
- Archer troposcatter deploys in under 15 minutes with auto-alignment.
- ADSI integrates AI/ML and Link-16 for IBCS prototypes.
- Rain software fuses data for counter-UAS with Hidden Level.
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Benefits
Health Insurance
Dental Insurance
Vision Insurance
Life Insurance
401(k) Company Match
Unlimited Paid Time Off
Paid Vacation
Flexible Work Hours
Annual Bonus
Private Medical Cover
Pension Contribution
4 x Life Assurance Cover
Student Loan Assistance
Hybrid Work Options
Company News
Airbus strengthens cyber capabilities with Ultra Cyber acquisition. * Airbus has entered into a definitive agreement with the Cobham Ultra group, a portfolio company of Advent, for the acquisition of Ultra Cyber Ltd. This strategic move reinforces Airbus' position as a trusted, sovereign partner for the UK and a key supplier to its allies, while strengthening its presence in the European cybersecurity landscape. * The acquisition allows Airbus to enhance its end-to-end cyber portfolio, complementing the existing UK sovereign capabilities of its cyber business based in Newport, Wales. With more than 200 employees in Ultra Cyber Ltd, primarily based in its state-of-the-art cyber centre of excellence in Maidenhead, Airbus is reinforcing its commitment to the UK as a core home nation of Airbus and its active role in maintaining the UK's digital security. This acquisition will join the growing Cyber activities within Airbus Defence and Space's Connected Intelligence business unit and creates a scale UK sovereign cyber champion. This investment is a cornerstone of Airbus' strategy to become a leading European multi-sovereign cyber player and a key pillar of a European digital shield. This approach helps ensure that nations across the continent, as well as Five-Eyes and NATO partners, can rely on access to best-in-class technologies that are trusted and endorsed by the governments of the group's home nations. This move follows the successful acquisition of infodas in 2024, which strengthened Airbus' cybersecurity leadership in Germany and the EU for cross-domain solutions. Today, Airbus operates a truly pan-European cyber activity with employees across the UK, France, Germany, Spain and Finland. The acquisition also includes a specialised airborne datalinks capability that complements Airbus' military aircraft portfolio. This addition helps strengthen Airbus' ability to protect sensitive data seamlessly across both ground and airborne environments. "This acquisition testifies to our long-term commitment to the UK as a core home market," said Mike Schoellhorn, CEO of Airbus Defence and Space. "By joining our expertise with Ultra Cyber's unique capabilities, we are acting as a long-term, trusted partner to the UK Ministry of Defence. We are building the resilient, sovereign infrastructure required to help keep the UK and its allies ahead in the cyber domain." Shonnel Malani, Managing Partner at Advent and Chair of the Board at Ultra Electronics, said: "During what has been a time of major geopolitical tension and uncertainty, we are proud that the investments made in Ultra Cyber, under Advent's ownership, have supported efforts to help protect the country and its allies from electronic warfare, and contributed to strengthening the UK's sovereign capabilities." Juliette Wilcox CMG, President of Ultra I&C UK Cyber, added: "This agreement marks an exciting next chapter for Ultra Cyber and a major step forward for the UK's sovereign cyber capability. Together, we will combine complementary strengths to help accelerate innovation, deepen R&D, and expand delivery of advanced cyber solutions in the UK and internationally." Closing of the transaction is subject to customary regulatory approvals and is expected in the second half of 2026. Anastasiya Simsek is an award-winning journalist with a background in air cargo, news, medicine, and lifestyle reporting. For exclusive insights or to share your news, contact Anastasiya at [email protected]. * | | * | | * | | * | | / | / Maastricht speeds up flower cargo handling across europe. Air serbia to join freightos booking platform.
Ultra I&C selected to provide Archer troposcatter technology for operational trial with Canadian Armed Forces. Mar 18, 2026, 09:00 ET MONTREAL, March 18, 2026 /PRNewswire/ - Ultra I&C will provide its Archer(TM) troposcatter system for operational trials to support Canadian Armed Forces missions in the Arctic and Europe by extending secure beyond-line-of-sight (BLOS) communications resulting in increased readiness in one of the planet's most unforgiving environments where satellites struggle and traditional infrastructure doesn't exist. The deployment of the Archer system supports the newly released Canadian Defense Industrial Strategy focused on strengthening sovereign capability, Arctic readiness, and enhanced contribution to Allied defence. The contract covers Archer systems that dramatically reduce size, weight, power, and cost compared to legacy troposcatter equipment while maintaining advanced encryption and anti-jamming capabilities. The deployment will support operational experimentation and capability validation, delivering high-throughput beyond-line-of-sight (BLOS) connectivity without depending on satellites or ground infrastructure "Arctic operations demand communications that work when everything else fails," said Faith Rhodes, vice president of programs at Ultra I&C. "Archer extends network reach into remote environments where connectivity means the difference between mission success and isolation. We've taken troposcatter technology - which has been around for decades - and engineered it for 21st century warfare that is expeditionary, resilient, and deployable in under 15 minutes." Archer features a next-generation graphical user interface that automates set-up and auto-alignment, enabling operators to establish connectivity in minutes without specialized training or dedicated experts on-site. The common GUI is shared across Ultra I&C platforms, giving forces a consistent, intuitive experience that simplifies training and accelerates adoption across the portfolio. Each system is built for contested environment operations, giving commanders additional network redundancy exactly where they need it most. Archer was selected by the U.S. Army in June 2025, and other Allied militaries since, to enhance network resiliency by adding an additional form of secure communications in contested environments at extended ranges. About Ultra I&C Ultra I&C is powering decision speed across the multidomain battlespace with resilient tactical communications, mission optimization and encryption technologies. We secure, move, and make sense of data across all domains - delivering real-time, mission-ready intelligence that gives operators at the edge the clarity to act and the speed to win. For decades, global defense forces and allied partners have relied on Ultra I&C to outpace threats and cut through complexity on the battlefield. With more than 700 employees across the global enterprise, we deliver battle-proven technology purpose-built for decision advantage in contested, high-threat environments. For more information, visit https://www.ultra-ic.com. SOURCE Ultra I&C
Ultra I&C will provide its Archer troposcatter system to the Canadian Armed Forces for operational trials in the Arctic and Europe. The deployment supports Canada's Defense Industrial Strategy, focusing on sovereign capability and Arctic readiness in environments where satellites and traditional infrastructure are unreliable. The Archer system delivers secure beyond-line-of-sight communications whilst reducing size, weight, power and cost compared to legacy equipment. It features advanced encryption and anti-jamming capabilities, with deployment possible in under 15 minutes using automated set-up and alignment requiring minimal training. The system was previously selected by the US Army in June 2025 to enhance network resiliency in contested environments. Archer enables high-throughput connectivity without depending on satellites or ground infrastructure, providing critical network redundancy for remote military operations.
Art of the Edge: building new capabilities for MCTSSA. In February 2026, Vannevar joined a composite team to successfully demonstrate a live "Art of the Edge" integrated capability for senior Marine Corps leadership. The demo was the product of a focused five-week sprint across a coalition of partners, built around a simple goal: move at operational speed against real mission problems, and prove Vannevar Labs, Inc. can integrate in ways that matter at the tactical edge. Vannevar Labs, Inc. is proud to have been part of this collaboration, and grateful to the team that turned a concept into a working, integrated capability in a short window. Vannevar Labs, Inc. partnered with Ultra, leveraging a Cooperative Research and Development Agreement (CRADA) with the Marine Corps Tactical Systems Support Activity (MCTSSA), whose mission includes technical support, interoperability certification, testing, integration, and life-cycle support for C4I systems. Interoperability as the force multiplier. The value of "Art of the Edge" is not just that systems can talk to each other. It is what becomes possible when they do. In the words of Thomas "TJ" Johnson at MCTSSA: "We are providing commanders at the tactical edge with the context needed to understand the environment in real-time. This 'Art of the Edge' architecture provides a vision into the broader range of response options and the flexibility to act with precision in complex, contested environments." "We are providing commanders at the tactical edge with the context needed to understand the environment in real-time." - Thomas "TJ" Johnson, MCTSSA Senior Principal Engineer for Combined and Joint Interoperability Vannevar's role in the integrated capability was to enrich battle tracks with mission-specific data and reasoning agents, helping convert raw signals into decision-ready outputs inside Ultra's platform. When you're moving fast with many mission partners, interoperability is the force multiplier. The WEST demo aimed to prove that these capabilities are not a standalone vignette but a modular architecture where each parter contributes distinct strengths to extend the core system. In practice, that means commanders at the tactical edge get more than "what" they are seeing. They get better visibility into the "so what" and "now what" even in complex, contested environments. The demo received strong positive feedback during the AFCEA West conference, resonating with senior leadership including the Commanding General of Marine Corps Systems Command. It surfaced a clear demand signal: that integrated, interoperable, mission-ready systems are available to the warfighter today, rather than a future aspiration.not a future aspiration. There is pull to make this real and repeatable. What comes next. Momentum matters most right after a demo, when interest is fresh and partners are aligned. The team is already tracking down opportunities to deploy this partnered solution in upcoming Marine Corps and joint exercises alongside MCTSSA. Vannevar Labs, Inc. also have clear internal takeaways on how to further enhance the performance of its agents for specific mission outcomes in operational environments. Thank you to MCTSSA, the AFCEA venue, and its mission partners for making this collaboration possible. You can lear more about the Department of the Navy's Technology Transfer Program here.
Ultra I&C demonstrates data movement mastery with Hidden Level at WEST 2026. SAN DIEGO, Feb. 4, 2026 /PRNewswire/ - Ultra I&C will showcase its expertise in powering decision at WEST 2026 (booth #1617) at the San Diego Convention Center from February 10-12, 2026. Ultra I&C with Hidden Level will showcase a counter-UAS capability focused on spatial computing and the operator experience, using Apple Vision Pro as an alternate display endpoint. Hidden Level will provide the real-time Airspace Monitoring Service (AMS) feed, which the Ultra I&C Rain software will ingest and fuse with additional inputs to create a single operational view that reduces cognitive load. Ultra I&C's certified data dissemination will then deliver the right information to effector networks. Through machine learning, the critical intelligence delivered enables operators to quickly validate what matters. "This powerful demonstration showcases Ultra I&C's mastery of moving data with seamless integration and delivering clear, actionable data to operators reducing cognitive fatigue," states Randy Fields, CTO at Ultra I&C. "The entire dataflow must work together to give operators a live, informed and shared picture they can act on. This clarity makes the difference between having data and having the advantage." Ultra I&C is focused on delivering decision advantage through delivering differentiated capabilities to cut through data overload, simplify integration and deliver clear, actionable insight when the mission demands it. By turning complexity into clarity, Ultra I&C equips operators to act faster, with confidence, in any contested environment. About Ultra I&C Ultra I&C is powering decision speed across the multidomain battlespace with resilient tactical communications, mission optimization and encryption technologies. Vporoom is Nium Ltd secure, move, and make sense of data across all domains - delivering real-time, mission-ready intelligence that gives operators at the edge the clarity to act and the speed to win. For decades, global defense forces and allied partners have relied on Ultra I&C to outpace threats and cut through complexity on the battlefield. With more than 700 employees across the global enterprise, Vporoom is Nium Ltd deliver battle-proven technology purpose-built for decision advantage in contested, high-threat environments. For more information, visit https://www.ultra-ic.com. SOURCE Ultra I&C