Jobs in the United States

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Added 5 mins ago
Optomechanical Engineer - 2
SP - Launch Vehicles
United States
Northrop Grumman Space Systems is looking for a Optomechanical Engineer - 2 to support the Electro-Optics Group within the Launch Vehicles business unit in Chandler, Arizona.
Added 5 mins ago
Principal Optomechanical Engineer - 3
SP - Launch Vehicles
United States
Northrop Grumman Space Systems is looking for a Principal Optomechanical Engineer - 3 to support the Electro-Optics Group within the Launch Vehicles business unit in Chandler, Arizona.
Added 50 mins ago
P&
Senior Test Engineer
Phillips & Temro Industries Inc.
Eden Prairie, MN
- $11.41 USD / hour
Maintains Engineering lab area and ensures test equipment is in good functional order including calibration when necessary.
Added 1 hour ago
Sentinel - Electrical Engineering Manager 2
Northrop Grumman
Roy, UT
The primary objective of this role is to collaborate across Systems Engineering, System Test, Global Supply Chain, suppliers, and other Integrated Product Teams (IPTs) to develop and review…
Added 1 hour ago
Senior Electrical Commissioning Engineer/Authority | Chicago
IMEG CONSULTANTS CORP.
SALT LAKE CITY, UT
Added 1 hour ago
C
QA Test Lab Engineer
Carrier
Kennesaw, GA
- $64,500 to $129,500 USD / year
We are seeking a Test Lab Engineer to build, configure, and maintain building automation test rigs and systems for developers and T&I (test and integration) engineers. You will apply field…
Added 1 hour ago
Senior Build Reliability Engineer, Hardware
Varda Space Industries
El Segundo, CA
The Senior Build Reliability Engineer partners closely with the design and manufacturing teams to right-size processes and controls to enable scaling the production of spacecraft hardware.…
Added 1 hour 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 1 hour ago
Systems Design Engineer - Bioengineering
ThermoFisher Scientific
Pleasanton, CA
Design and build prototypes integrating optical, electrical, mechanical, fluidic, biological and software components.
Added 1 hour ago
C
Technical Marketing Engineer I (Full Time) - United States
Cisco
San Jose, CA · Milpitas, CA
- Full-time
As an entry-level Technical Marketing Engineer, you will help translate routing and SD-WAN capabilities into clear customer value. Working with experienced team members, you will:
Added 2 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 2 hours ago
Sr. CT Sustaining System Engineer, Customer Terminals Hardware
Amazon
Redmond, WA
CT Sustaining System Engineer, you will be part of the team developing cost-optimized Customer Terminal products designed for high-volume production. You will own key hardware designs and…
Added 2 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 2 hours ago
Structural Engineer II, Marine
Vigor, LLC
Vancouver, WA
The primary role of a Structural Project Engineer is to participate in the design and detail engineering efforts to support the construction of aluminum and steel vessels.
Added 2 hours ago
Principal Engineer, Fly-By-Wire
Executive Recruiting Group
San Luis Obispo, CA
We are seeking a FBW Engineer who will support our flight performance and safety. As the Principal Engineer, you will work with research & development of VMS including critical electronics…
Added 2 hours ago
Aircraft Performance Engineer
Executive Recruiting Group
San Luis Obispo, CA
We are seeking a Performance Flight Sciences Engineer, who will work across vehicle conceptual design, aircraft performance and flight testing - from predicting aircraft capability and…
Added 2 hours ago
Vehicle Software Engineer
Rainmaker Technology Corporation
El Segundo, CA
…sensors, payloads, and ground operations. We work closely with electrical, mechanical, manufacturing, and flight operations teams to turn new hardware into reliable systems that can be…
Added 3 hours ago
Project Engineer
Schwan's Company
Salina, KS
Implementation phase (e.g. Factory Acceptance Test (FAT), Site Acceptance Test (SAT))Start-up (e.g. Commissioning, Qualification and Verification (CQV) planning, Vertical Start-up (VSU)…
Added 4 hours ago
MS
Business Development Engineer (BDE), USSOCOM
Motorola Solutions, Inc.
Denver, CO
- $40,123 USD / year
Perform market research to identify potential integrations with industry partners and test end-to-end network architectures.
Added 4 hours ago
Test and Validation Engineer HVAC
MAHLE
LOCKPORT, NY
Added 4 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 4 hours ago
Engineer Substation
Avangrid Service Co
BINGHAMTON, NY
Engineer - Substations Location: Rochester, Binghamton, Brewster or Mechanicville, NY Reports to: Manager - Projects Unit Work Type: Office, 5 Days The salary range for this position is…
Added 4 hours ago
Manufacturing Equipment Engineer, Energy (Night Shift)
Tesla, Inc.
BUFFALO, NY
What to ExpectThe Night Shift Equipment Engineer on the Production Engineering team will be a part of operating, sustaining, and improving the manufacturing equipment at Tesla's Gigafactory…
Added 4 hours ago
Senior Electrical Engineer
Safran Federal Systems
ROCHESTER, NY
The Opportunity: We are seeking a skilled and experienced senior electrical engineer to join our dynamic team. The successful candidate will be responsible for designing, developing, and…
Added 4 hours ago
Lead Systems Engineer
Safran Federal Systems
ROCHESTER, NY
The Opportunity: This Lead Systems Engineer will have a unique opportunity to develop a product line from a blank page. This engineer will join a motivated team and rapidly iterate and test…

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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