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Added 27 mins ago
Y
Platform Engineer
Yuzu
New York City, NY
- $160,000 to $240,000 USD / year
Platform’s customer is the rest of engineering. We are looking for a product-minded engineer who will specialize in platform at Yuzu. You will ship application code, cloud infrastructure,…
Added 2 hours ago
Software Engineer- Simulation Models
Cisco
Milpitas, CA
You will define, design, develop, test, debug, release, enhance, and maintain software that accelerates the development of Cisco IOS XR and SONiC. You will lead the implementation and…
Added 3 hours ago
Post Silicon Engineer, Amazon LEO
Amazon
Redmond, WA
…operate in the harsh environment of space. The Post Silicon Engineer will play a pivotal role in a team that brings up, validates and characterizes MODEM SOC. In this role you will own Post…
Added 3 hours ago
Aerospace HW Dev Engineer, Antenna Payload Validiation
Amazon
Redmond, WA
As a Hardware Development Engineer, you will help design, build, and validate hardware for the phased array antennas in our satellite constellation. You'll design circuits and test boards,…
Added 5 hours ago
PMTS, PEX Engineer Quantum
GlobalFoundries
ROUND LAKE, NY
…information, visit www.gf.com. Summary of Role The Design Enablement Engineer, DRC/LVS/PEX is responsible for developing, qualifying, and deploying physical verification and parasitic…
Added 5 hours ago
Senior Data Scientist (Report Developer)
Seneca Holdings
BUFFALO, NY
…role combines hands-on report development with the ability to debug, re-engineer, and optimize existing code as part of the transition.Key Responsibilities * Analyze existing…
Added 7 hours ago
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Senior AI Engineer
Rearc
Remote, United States
- $191,000 to $209,000 USD / year
Rearc is seeking a hands-on AI Engineer to design, build, and deploy production-grade AI-driven systems within enterprise environments. This position is focused on delivering real-world…
Added 9 hours ago
Senior Wireless Software Engineer (5G/6G Protocol Stack)
Keysight Technologies, Inc.
San Diego, CA
You will work closely with customer engineering teams and Keysight R&D to develop, customize, integrate, and optimize software solutions used in the development of next-generation wireless…
Added 9 hours ago
Forward Deployment Engineer – Senior - 5G/6G/NTN
Keysight Technologies, Inc.
San Diego, CA
You will work closely with customer engineering teams and Keysight R&D to develop, customize, integrate, and optimize software solutions used in the development of next-generation wireless…
Added 12 hours ago
NS
Principal Digital Design Engineer
NAVITAS SEMICONDUCTOR USA, INC.
Torrance, CA
- $170,000 to $190,000 USD / year
We are seeking a Principal Digital Design Engineer to join our fast-growing, collaborative team. The ideal candidate is self-motivated, energetic, and able to thrive in a high-growth,…
Added 12 hours ago
NS
Staff Applications Engineer (Integrated Voltage Regulators)
NAVITAS SEMICONDUCTOR USA, INC.
Torrance, CA
- $145,000 to $185,000 USD / year
We are seeking an Applications Engineer - Integrated Voltage Regulators to join the IVR Business Unit and own the system-level performance of integrated voltage regulators from the lab…
Added 12 hours ago
AE
Sr Software Engineer II - Enterprise Architecture
American Express
Phoenix, AZ
- $123,000 to $215,250 USD / year
Proactively identify system bottlenecks, debug complex issues, and drive root-cause analysis with long-term fixes
Added 15 hours ago
TT
Senior Full Stack Engineer
True Talent Solutions Partners
Boston, MA
- $185,000 to $210,000 USD / year
…conditions. As a senior individual contributor and product-minded engineer, you will help shape the product and engineering team while delivering secure, user-focused…
Added 15 hours ago
Systems Engineer (Onsite)
BAE Systems
Nashua, NH
We are hiring Systems Engineers at the individual contributor, team lead, chief engineer and technical director levels to participate in Electronic Systems development programs at any of…
Added 16 hours ago
TT
Founding Engineer
True Talent Solutions Partners
New York City, NY
- $200,000 to $270,000 USD / year
Join an early-stage cloud infrastructure company as a Founding Engineer, building software that helps teams deploy and manage applications in their own cloud environments. This hands-on…
Added 16 hours ago
TT
Product Engineer, Scrape
True Talent Solutions Partners
San Francisco, CA
- $235,000 to $260,000 USD / year
- Use the product, review developer feedback, and let customer needs inform what you build.
Added 16 hours ago
TI
Engineering Manager, Production Engineering
Tutor Intelligence
Watertown, MA
- $175,000 to $225,000 USD / year
…final acceptance, so defects are caught early and never reach a…
Added 17 hours ago
TT
Software Engineer, C++ Systems
True Talent Solutions Partners
San Francisco, CA
- $250,000 to $325,000 USD / year
- Debug systems issues in production environments.
Added 17 hours ago
Developer Relations Engineer
Applied Compute
San Francisco, CA
As a Developer Relations Engineer your focus will be technical content, demos, and distribution. Your work will help developers and researchers discover AC2, understand what they can build,…
Added 19 hours ago
TT
Founding Forward Deployed Engineer
True Talent Solutions Partners
San Francisco, CA
- $180,000 to $230,000 USD / year
Join an early-stage AI software team building agents for post-sales customer lifecycle workflows. As the founding forward deployed engineer, you will work directly with enterprise customers…
Added 19 hours ago
Digital Systems Engineer
Leidos
Beavercreek, OH
Leidos Defense Systems is seeking a skilled Digital Systems Engineer who loves collaboration and being a part of something big, to join our team. As a Leidos Digital Systems Engineer, you…
Added 19 hours ago
BF
Angular Developer
BC Forward
Cincinnati, OH
- $70 to $76.63 USD / hour
Added 20 hours ago
TT
Founding Full-Stack Engineer
True Talent Solutions Partners
San Francisco, CA
- $180,000 to $240,000 USD / year
- Deliver the end-to-end experience connecting smart glasses, backend services, and companion apps for customer use.
Added 21 hours ago
Product Engineer (Rockville, MD)
Automated Precision Inc
Rockville, MD
…Rockville, MD, we are currently seeking to add to the team a Product Engineer…
Added 22 hours ago
Digital ASIC/FPGA Design Engineer II - Onsite
RTX Corporation
mckinney, TX
Raytheon is seeking a motivated Digital Design Engineer to support product development for defense applications. This position is based in McKinney, Texas .

Cisco

Software Engineer- Simulation Models

Milpitas, CA, United States

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Job details

Posting language: English
Posted: Aug 31, 2026

Original job description

The application window is expected to close on: 11/07/2026

Meet the Team

We develop advanced simulation platforms and digital twins that mirror complex IOS-XR routing environments for scalable, high-fidelity network validation. Our team bridges the gap between software engineering and field deployment by automating CI/CD testing pipelines and providing robust virtualization tools for developers and customers. We are dedicated to pioneering the future of network reliability through high-speed simulation, ensuring seamless performance across the most demanding service provider infrastructures.

Your Impact

You will define, design, develop, test, debug, release, enhance, and maintain software that accelerates the development of Cisco IOS XR and SONiC. You will lead the implementation and optimization of simulation software and tools, develop digital twins for routing and artificial intelligence (AI) fabric products, and build large-scale distributed systems.

In this role, you will apply advanced theoretical and practical knowledge to create functional, system-level models for next-generation routing platforms. You will also have opportunities to contribute to open-source technologies and communities.

Your responsibilities will include:

Developing virtual board models for next-generation routing platforms.
Modeling field-programmable gate array (FPGA) application-specific integrated circuits (ASICs), devices, sensors, and related hardware components.
Integrating hardware component models and packet-processing models into virtual board environments.
Designing, implementing, and optimizing simulation software and development tools.
Developing digital twins of router and AI fabric products.
Building and maintaining reliable, large-scale distributed systems.
Developing automated tests and executing comprehensive regression testing to validate end-to-end system functionality.
Debugging simulation models, device drivers, and network operating system software.
Providing timely and effective technical support to engineering teams.
Contributing to relevant open-source projects and technologies.

Minimum Qualifications

Bachelors + 5 years of related experience, or Masters + 3 years of related experience, or PhD + 0 years of related experience in Computer Science, Computer Engineering, Electrical Engineering, or a related field
Two years of experience as a Software Engineer developing simulation models
Experience with system-on-chip (SoC) design and architecture.
Experience developing software using C++ in Linux environments.
Experience with continuous integration and continuous delivery (CI/CD) processes.
Experience using Python for test automation.
Experience debugging models, drivers, and operating systems.

Preferred Qualifications

Experience developing functional or system-level simulation models.
Experience modeling FPGAs, ASICs, sensors, or other hardware devices.
Experience integrating packet-processing models into virtual platforms.
Experience building large-scale distributed systems.
Experience with Cisco IOS XR, SONiC, or comparable network operating systems.
Strong analytical, debugging, and cross-functional collaboration skills.
Experience developing networking software.
Experience with chip modeling and performance analysis.

Why Cisco?

At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint.

Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you’ll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere.

We are Cisco, and our power starts with you.

Message to applicants applying to work in the U.S. and/or Canada:

The starting salary range posted for this position is $155,000.00 to $222,600.00 and reflects the projected salary range for new hires in this position in U.S. and/or Canada locations, not including incentive compensation*, equity, or benefits.

Individual pay is determined by the candidate's hiring location, market conditions, job-related skillset, experience, qualifications, education, certifications, and/or training. The full salary range for certain locations is listed below. For locations not listed below, the recruiter can share more details about compensation for the role in your location during the hiring process.

U.S. employees are offered benefits, subject to Cisco’s plan eligibility rules, which include medical, dental and vision insurance, a 401(k) plan with a Cisco matching contribution, paid parental leave, short and long-term disability coverage, and basic life insurance. Please see the Cisco careers site to discover more benefits and perks. Employees may be eligible to receive grants of Cisco restricted stock units, which vest following continued employment with Cisco for defined periods of time.

U.S. employees are eligible for paid time away as described below, subject to Cisco’s policies:

10 paid holidays per full calendar year, plus 1 floating holiday for non-exempt employees
1 paid day off for employee’s birthday, paid year-end holiday shutdown, and 4 paid days off for personal wellness determined by Cisco
Non-exempt employees** receive 16 days of paid vacation time per full calendar year, accrued at rate of 4.92 hours per pay period for full-time employees
Exempt employees participate in Cisco’s flexible vacation time off program, which has no defined limit on how much vacation time eligible employees may use (subject to availability and some business limitations)
80 hours of sick time off provided on hire date and each January 1st thereafter, and up to 80 hours of unused sick time carried forward from one calendar year to the next
Additional paid time away may be requested to deal with critical or emergency issues for family members
Optional 10 paid days per full calendar year to volunteer

For non-sales roles, employees are also eligible to earn annual bonuses subject to Cisco’s policies.

Employees on sales plans earn performance-based incentive pay on top of their base salary, which is split between quota and non-quota components, subject to the applicable Cisco plan. For quota-based incentive pay, Cisco typically pays as follows:

.75% of incentive target for each 1% of revenue attainment up to 50% of quota;
1.5% of incentive target for each 1% of attainment between 50% and 75%;
1% of incentive target for each 1% of attainment between 75% and 100%; and
Once performance exceeds 100% attainment, incentive rates are at or above 1% for each 1% of attainment with no cap on incentive compensation.

For non-quota-based sales performance elements such as strategic sales objectives, Cisco may pay 0% up to 125% of target. Cisco sales plans do not have a minimum threshold of performance for sales incentive compensation to be paid.

The applicable full salary ranges for this position, by specific state, are listed below:

New York City Metro Area:

$155,000.00 - $256,000.00

Non-Metro New York state & Washington state:

$138,100.00 - $227,900.00

For quota-based sales roles on Cisco’s sales plan, the ranges provided in this posting include base pay and sales target incentive compensation combined.

** Employees in Illinois, whether exempt or non-exempt, will participate in a unique time off program to meet local requirements.

Cisco is an Affirmative Action and Equal Opportunity Employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, national origin, genetic information, age, disability, veteran status, or any other legally protected basis.

Cisco will consider for employment, on a case by case basis, qualified applicants with arrest and conviction records.

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