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Added 43 mins ago
Software Engineer II
Anonyome Labs
LEHI, UT
Design, develop, and maintain native iOS applications using Swift, UIKit, and/or SwiftUI. Apply object-oriented design principles and modern iOS architectural patterns including MVVM and…
Added 1 hour ago
Software Engineer- Simulation Models
Cisco
Milpitas, CA
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…
Added 1 hour ago
C
Technical Marketing Engineer I (Full Time) - United States
Cisco
San Jose, CA · Milpitas, CA
- Full-time
Build foundational knowledge of Cisco Secure Routers, IOS XE, branch routing, WAN connectivity, and SD-WAN architectures.
Added 3 hours ago
Information Systems Security Compliance Manager
New York State Technology Enterprise Corporation
ROME, NY
…Windows, Microsoft 365, and Cisco Internetwork Operating System (IOS). * Project management skills, including the ability to coordinate priorities and manage multiple tasks. * Effective…
Added 11 hours ago
Senior iOS App Development Engineer - Services Special Project
Apple
Cupertino, CA
…experiences powered by Generative AI. We are looking for a senior iOS frameworks engineer to design and build the foundational on-device systems that power features across Apple's services…
Added 12 hours ago
Lead UI Engineer - Products & Platforms
Deloitte
Boston, MA
Hands-on technical design and build of our applications for iOS, Android and Web
Added 19 hours ago
TT
Software Engineer, iOS
True Talent Solutions Partners
New York, NY
- $130,000 to $230,000 USD / year
Join the mobile team at a consumer marketplace startup and help build and scale its iOS app. You will own features from concept through launch and shape a polished experience for creators.
Added 21 hours ago
Sr. React Native Engineer | US/Canada
Pack.com
Remote, United States
…Senior React Native Engineer to lead the engineering of our iOS and Android mobile apps from development builds through app store…
Added 21 hours ago
Solution Architect
7-Eleven
Irving, TX
Familiarity with native iOS or Android application architecture and development concepts; experience with Swift, SwiftUI, Kotlin, or Jetpack Compose is a plus.
Added 21 hours ago
Staff Software Test Engineer
Realtor.com
Austin, TX
…30+ scrum teams, 400+ repositories, and five surfaces (Web, iOS, Android, Backend…
Added 23 hours ago
K
Senior Software Engineer, Android
Knowtex
San Francisco, CA
- $180,000 to $220,000 USD / year
- Drive feature parity and a consistent product experience across Android, iOS, and web where appropriate
Added 23 hours ago
Director, Alternative Investments and Structured Products Offer Management
Charles Schwab
Jersey City, NJ
…Management, will be a part of the Investment & Offer Solutions (IOS) group. IOS is a team of curious and optimistic employees responsible for managing our proprietary Separately Managed…
Added 1 day ago
AT
Senior Mobile Architect
AHU Technologies Inc
Washington, DC
- $90 to $95 USD / hour
…the DC DMV Mobile Application, architecting and developing iOS and Android applications integrated with Mobile Backend as a Service…
Added 1 day ago
Technical Architect - Networking
HEARTLAND LABEL PRINTERS INC
SUN PRAIRIE, WI
Added 1 day ago
Technical Architect - Networking
HEARTLAND TECHNOLOGY GROUP, INC
WAUSAU, WI
Added 1 day ago
A
Mobile Developer
Actalent
Minneapolis, MN
- $50 to $90 USD / hour
As a Mobile Developer, you design, develop, and maintain cross-platform mobile applications using Flutter and Dart, delivering intuitive solutions that meet complex business and clinical…
Added 1 day ago
Senior Software Development Engineer, Mobile
Delta Air Lines, Inc.
Atlanta, GA
…travelers meet that experience every day. We're looking for an App Developer who builds for that scale and wants to shape how our team works, not just what we…
Added 1 day ago
Staff Mobile Engineer, iOS
Abbott
Alameda, CA
This Staff Mobile Engineer, iOS position works onsite in our Alameda, CA location for Lingo.
Added 1 day ago
Senior iOS Engineer – Payments & Hardware Integrations
Fiserv
Sunnyvale, CA
We are seeking a Senior iOS Engineer who enjoys bridging high-level mobile software with physical hardware. Based at our campus in Sunnyvale, CA, you will serve as a hands-on technical lead…
Added 1 day ago
Product Designer, Design Systems, Goodreads
Amazon
San Francisco, CA
…Community. You’ll design across all touch points including web, iOS and Android apps, and…
Added 1 day ago
Software Engineer III - React/Native
Modivcare
Denver, CO
Expert in React Native with a proven track record of building and maintaining mobile applications for both iOS and Android.
Added 1 day ago
W
Staff Software Engineer
Walmart
SUNNYVALE, CA
- $143,000 to $286,000 USD / year
…leveraging Cordova to convert and build native applications for iOS and Android. Experience creating API design/technical documentation in Stoplight. Experience building queries to store,…
Added 1 day ago
W
Software Engineer III
Walmart
SUNNYVALE, CA
- $117,000 to $234,000 USD / year
…and Kotlin for mobile application development and building iOS and Android applications. Demonstrated knowledge in design patterns and architecture to develop scalable, maintainable, and…
Added 1 day ago
W
Software Engineer III
Walmart
SUNNYVALE, CA
- $187,075 to $234,000 USD / year
…web applications using JavaScript, React, and Redux; building IOS and Android mobile applications with TypeScript and React-Native; achieving unit testing and improving coverage using Jest…
Added 1 day ago
W
Senior Software Engineer
Walmart
SUNNYVALE, CA
- $117,000 to $234,000 USD / year
Skills Required: Experience designing and building apps for the iOS platform using Swift and SwiftUI. Experience with UIKit, Cocoa Touch, and platform-specific capabilities. Experience…

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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