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Added 14 mins ago
Executive Software Engineer
ManpowerGroup
South San Francisco, CA
The Executive Software Engineer designs, builds, and modernizes applications and automations that support a large enterprise client’s internal helpdesk and employee support operations. The…
Added 15 mins ago
T
Staff Software Engineer
TEKsystems
Mountain View, CA
- $80 to $95 USD / hour
8+ years of Full Stack development experience with React/TypeScript and Python, Go, or Java
Added 15 mins ago
Principal Software Engineer – Application Security & AI Trust Architecture
Cisco
San Jose, CA
As a Principal Engineer leading software security, you will be a primary technical authority responsible for defining and driving the security architecture across our software platforms and…
Added 1 hour ago
Full-Stack Engineer 4 (SQL Server DBA)
Capital One
Riverwoods, IL · Chicago, IL
Utilize programming languages like Java, Scala, Python, Go, Node.js, JavaScript and TypeScript, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and…
Added 2 hours ago
Cloud Engineer 5
Capital One
New York, NY
Utilize programming languages like Java, Scala, Python, Go, and Node.js, Container Orchestration services including Docker and Kubernetes, and a variety of cloud provider tools and services
Added 2 hours ago
Forward Deployed Software Engineer US Government
Palantir Technologies
NEW YORK, NY
…effectively identify instances of money laundering?" FDSEs lead the way in developing a solution, from high-level system design and prototyping to application development and data…
Added 2 hours ago
Staff SW Systems Engineer
Extreme Networks, Inc.
Seattle, WA
As a Staff Forward Deployed Engineer, you will be the technical lead for complex customer engagements, owning solutions from discovery and architecture through implementation, deployment,…
Added 2 hours ago
AI Principal SW Systems Engineer
Extreme Networks, Inc.
Remote, United States
10+ years of programming experience, with proficiency in at least one general-purpose programming language, preferably Python, Java, Go, or C++.
Added 7 hours ago
Principal Software Engineer, AI Defense (Hybrid)
Cisco Systems, Inc.
Milpitas, CA
As a Principal Software Engineer for AI Defense, you will serve as the chief technical authority driving the end-to-end security architecture for Cisco's enterprise AI ecosystems. You will…
Added 11 hours ago
O
Principal Core Infrastructure Engineer
Oracle
Nashville, TN
- $114,600 to $234,600 USD / year
As a Principal Software Engineer, you will lead the design and development of FastConnect control plane services that manage a globally distributed fleet of networking infrastructure. You…
Added 12 hours ago
Systems Engineer Sr - E3
Lockheed Martin
Littleton, CO · Littleton
Strong proficiency in at least one modern programming language (C++, Python, Java, or C#) and associated build tools
Added 12 hours ago
Principal Electronics Engineer / Sr Principal Electronics Engineer
Northrop Grumman
Baltimore
…mission-critical team and have the opportunity to develop into a Lead Engineer supporting our CONUS site in Seattle,…
Added 12 hours ago
Modeling Simulation & Analysis Engineer (Level 2)
Northrop Grumman
El Segundo
Must have scripting experience with tools such as MATLAB, Python, C++, Java, or experience conducting software-based trade studies.
Added 12 hours ago
Modeling Simulation & Analysis Engineer 3 or 4 (Principal or Sr. Principal Level)
Northrop Grumman
El Segundo
Northrop Grumman Aeronautics Systems has an opening for a Modeling Simulation and Analysis Engineer (Principal or Sr. Principal Level) to join our team of qualified, diverse individuals…
Added 13 hours ago
Systems Integration Tester
OSC Global
Remote, United States
Knowledge of various programming languages such as C#, Java, Python, etc.
Added 13 hours ago
Executive Software Engineer
Experis USA
South San Francisco, CA
The Executive Software Engineer designs, builds, and modernizes applications and automations that support a large enterprise client’s internal helpdesk and employee support operations. The…
Added 14 hours ago
JH
Software Engineer
Johns Hopkins Applied Physics Laboratory
Laurel, MD
- $85,000 USD / year
Lead: Influence the strategic direction of our analysis capabilities and collaborate with program management to define future technical roadmaps.
Added 14 hours ago
Principal Software Engineer
Sierra Nevada Corporation
Remote, United States
…in an agile, collective environment. As a Principal Software Engineer, you will provide technical leadership and strategic direction for the development and optimization of advanced…
Added 14 hours ago
U
Principal Engineer - Security AI
Uber
Seattle, WA · Sunnyvale, CA
- $302,000 to $336,000 USD / year
As a passionate and pragmatic technologist, you will lead efforts within the organization to drive the development and operations of security services and frameworks to support user-facing…
Added 15 hours ago
Principal ML Engineer, Admin Central
Workday, Inc.
CA
As a Principal Software Engineer you will lead the architecture and implementation of Workday’s next-generation AI platforms and autonomous agent frameworks. You’ll sit at the intersection…
Added 16 hours ago
Principal Electronics Engineer / Sr Principal Electronics Engineer
CORP-Corporate Office
United States
…mission-critical team and have the opportunity to develop into a Lead Engineer supporting our CONUS site in Seattle,…
Added 16 hours ago
FE
Sr Cyber Security Analyst
Federal Express Corporation
Memphis, TN
- $7,094.23 to $15,607.31 USD / month
Proficiency in at least one programming language (e.g., Python, Java, Go, C#) with the ability to read and review code for security vulnerabilities.
Added 17 hours ago
Principal Engineer - Java Full Stack
Wells Fargo Bank, N. A.
IRVING, TX · ISELIN, NJ
Wells Fargo is seeking a Principal Engineer as part of the Commercial and Corporate & Investment Banking Technology (CCIBT) team to support Payment Solutions, Capital Markets Services,…
Added 17 hours ago
Senior Software Engineer, Proactive Security - Platform
DoorDash USA
Remote, United States
Strong software engineering skills in Go (or Kotlin, Java, Python), building production services and developer tooling.
Added 18 hours ago
Software Engineer - Intermediate
Equifax, Inc
GA
2+ years experience working with software design and Java, Python and Javascript programming languages

Cisco Systems, Inc.

Principal Software Engineer, AI Defense (Hybrid)

Milpitas, CA, United States

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Job details

Apply by: Nov 30, 2026
Experience: 8+ years of hands-on software development experience utilizing Go, Python, or Java to build production microservices, SDKs, and REST/gRPC APIs.
Posting language: English
Posted: Oct 30, 2026

Original job description

The application window is expected to close on: 11/29/2026This is a Hybrid role based out of Cisco's San Jose office.

MEET THE TEAM

Cisco’s AI Defense team is a fast-growing, elite engineering group dedicated to securing the next generation of enterprise AI platforms, autonomous agents, and foundation models. We build the mission-critical security control and data planes that safeguard Cisco’s AI-native portfolio - including Cloud Control, AI Canvas, and AI Studio - against prompt injection, agent misuse, and data exfiltration. Our team brings together world-class distributed systems engineers, security researchers, and AI practitioners in an agile, high-velocity, and collaborative environment. This is a rare opportunity to define the industry standard for AI security at Cisco’s global enterprise scale.

YOUR IMPACT

As a Principal Software Engineer for AI Defense, you will serve as the chief technical authority driving the end-to-end security architecture for Cisco's enterprise AI ecosystems. You will architect high-throughput control and data planes that safeguard foundation models, multi-agent frameworks, and Model Context Protocol (MCP) tool execution from emerging cyber threats. In this role, you will balance strategic cross-organizational influence with hands-on systems development, translating complex AI safety research into production-hardened software. Success in this position means establishing resilient, zero-trust security boundaries that empower global enterprises to deploy autonomous AI agents with absolute confidence. You will lead by example - mentoring senior engineers, shaping engineering standards, and defining the future of AI defense at Cisco scale.

Architect enterprise AI defense platforms by owning the technical vision and system design for AI Defense control planes, data planes, policy engines, and real-time posture assessment services to safeguard enterprise AI workflows against adversarial attacks.
Write and deploy high throughput microservices and APIs in Go and Python to process high-volume telemetry streams under strict latency and reliability SLAs.
Harden agentic AI and model security through design runtime guardrails, Model Context Protocol (MCP) policy enforcement, and automated remediation engines to neutralize prompt injection, model jailbreaks, and tool-abuse risks.
Drive cross-organizational technical strategy by partnering with Product Management, Security Research, and platform engineering teams across Cisco to establish zero-trust architectures and convert complex customer security requirements into production-ready software.

MINIMUM QUALIFICATIONS

Bachelor’s degree in computer science and 15+ years of relevant software engineering experience, Master’s degree and 12+ years, or Ph.D. and 8+ years building enterprise-scale distributed systems.
8+ years of hands-on software development experience utilizing Go, Python, or Java to build production microservices, SDKs, and REST/gRPC APIs.
Experience architecting and operating multi-tenant cloud-native infrastructure on AWS or GCP, including container orchestration with Kubernetes (EKS/GKE) and event-driven data streaming (Kafka/MSK).
5+ years of core engineering experience in cybersecurity domains (e.g., cloud security posture management, identity/access governance, RBAC/ABAC, threat modeling, or security analytics).
Experience building, debugging, or securing LLM applications, agentic frameworks, or Model Context Protocol (MCP) architectures in production.

PREFERRED QUALIFICATIONS

Expertise in AI safety engineering, including prompt-injection defenses, graph-based security models, runtime model observability, and policy-as-code frameworks.
Experience leading greenfield 0-to-1 platform initiatives and executing zero-downtime migrations for high-throughput enterprise SaaS.
Experience implementing zero-trust network boundaries, secrets management, service meshes (Envoy/Istio), and automated CI/CD DevSecOps pipelines.
Technical mentorship and cross-functional leadership skills with the ability to build consensus across research, engineering, and executive stakeholders.
Active contributor to open-source security tools, agent-to-agent communication protocols, or industry AI safety standards.

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 $250,600.00 to $362,600.00 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:

$250,600.00 - $416,900.00

Non-Metro New York state & Washington state:

$241,400.00 - $371,000.00

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.

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More about this job

Skills

IMPACT
Research
Coaching
Microservices
Go
Python
Security regulations
Computer science
Software development
Oracle Java
AWS
Google Cloud
Kubernetes
Apache Kafka
Cybersecurity
Debugging
Safety engineering
CI/CD
Leadership
Communication skills
Create solutions to problems
Work as a team
Sales

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