Principal Security Engineer Jobs

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Software Engineer / Security Products / Startup

Motion Recruitment Partners, LLC

Boston, Massachusetts, USA

Full-time

A Series A startup that builds cybersecurity products is looking for a software engineer to join their team! Ideal candidates have a strong development background as well as exposure to security, whether that's handling Blue Team functions or working on security products themselves. You'll work on client-facing products, building customizations and working in a highly collaborative and fast-paced environment. Exposure to AI/ML is also a big plus! Ideal candidates have a strong development backgr

Senior Info Security Engineer 3rd shift

UnitedHealth Group

Remote or Eden Prairie, Minnesota, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health op

Senior Staff Software Engineer, Security Products

DigitalOcean

Denver, Colorado, USA

Full-time

Dive in and do the best work of your career at DigitalOcean. Journey alongside a strong community of top talent who are relentless in their drive to build the simplest scalable cloud. If you have a growth mindset, naturally like to think big and bold, and are energized by the fast-paced environment of a true industry disruptor, you'll find your place here. We value winning together-while learning, having fun, and making a profound difference for the dreamers and builders in the world. We are see

Senior Staff Software Engineer, Security Products

DigitalOcean

San Francisco, California, USA

Full-time

Dive in and do the best work of your career at DigitalOcean. Journey alongside a strong community of top talent who are relentless in their drive to build the simplest scalable cloud. If you have a growth mindset, naturally like to think big and bold, and are energized by the fast-paced environment of a true industry disruptor, you'll find your place here. We value winning together-while learning, having fun, and making a profound difference for the dreamers and builders in the world. We are see

Senior Staff Software Engineer, Security Products

DigitalOcean

Seattle, Washington, USA

Full-time

Dive in and do the best work of your career at DigitalOcean. Journey alongside a strong community of top talent who are relentless in their drive to build the simplest scalable cloud. If you have a growth mindset, naturally like to think big and bold, and are energized by the fast-paced environment of a true industry disruptor, you'll find your place here. We value winning together-while learning, having fun, and making a profound difference for the dreamers and builders in the world. We are see

Senior Staff Software Engineer, Security Products

DigitalOcean

Boston, Massachusetts, USA

Full-time

Dive in and do the best work of your career at DigitalOcean. Journey alongside a strong community of top talent who are relentless in their drive to build the simplest scalable cloud. If you have a growth mindset, naturally like to think big and bold, and are energized by the fast-paced environment of a true industry disruptor, you'll find your place here. We value winning together-while learning, having fun, and making a profound difference for the dreamers and builders in the world. We are see

Senior Staff Software Engineer, Security Products

DigitalOcean

Austin, Texas, USA

Full-time

Dive in and do the best work of your career at DigitalOcean. Journey alongside a strong community of top talent who are relentless in their drive to build the simplest scalable cloud. If you have a growth mindset, naturally like to think big and bold, and are energized by the fast-paced environment of a true industry disruptor, you'll find your place here. We value winning together-while learning, having fun, and making a profound difference for the dreamers and builders in the world. We are see

Security engineer with HSM/KMS

Wise Equation Solutions Inc.

Plano, Texas, USA

Contract

5 Open Positions Location: Plano, TX/JACKSONVILLE, FL/Charlotte, NC/Chandler, AZ/Richmond, VA ( All Onsite) Proficiency in key management systems and tools (e.g., HSMs, KMS, PKI) Strong understanding of cryptographic algorithms and protocols Experience with security standards and frameworks (e.g., NIST, ISO 27001, PCI DSS) Familiarity with cloud-based key management services (e.g., AWS KMS, Azure Key Vault) Proficiency in Linux and Windows operating systems Strong experience with automation usi

Sr. Software Engineer - Security Development and Integration

Publix

Remote or Lakeland, Florida, USA

Full-time

Publix Super Markets, Inc. is the largest privately-owned food retailer in the nation with more than 1,200 stores and more than 200,000 associates throughout the Southeast. We are associate-owned, proud of our family atmosphere, and consistently named as one of the best companies to work for in America. We are largely debt-free and renowned for our financial performance as well as our premier customer service. Publix?s Information Services (I/S) department is located in Lakeland, Florida and Alp

Hardware Security Consulting Engineer

Oracle Corporation

No location provided

Full-time

Job Description As consulting hardware security engineer, you will be responsible for defining security requirements for hardware used within OCI, conducting security/architectural reviews and assessments, offensive testing for hardware and firmware and mentoring junior engineers Responsibilities Job Description Principal Engineer - Hardware Security Oracle Cloud (United States) The Oracle Cloud Infrastructure (OCI) team can provide you the opportunity to build and operate a suite of massiv

Application Security Engineer

Genius Road, LLC

Remote

Contract

Application Security Engineer Location: Remote, USA (must be currently residing in the United States) Contract Position: 6 months This position does not accept submissions from third-party recruiters or staffing agencies. All candidates will be hired as W-2 employees. Our client, a global leader in threat intelligence driven, business risk focused cyber defense, is transforming how organizations approach security to build agile, adaptive defense postures. Their solutions help strengthen resili

Senior Staff Engineer - Data Security/Privacy

Strava, Inc.

San Francisco, California, USA

Full-time

About this role Strava is the app for active people. With over 150 million athletes in more than 185 countries, Strava is where connection, motivation, and personal bests thrive. No matter your activity, gear, or goals, we help you find your crew, crush your milestones, and keep moving forward. Start your journey with Strava today. Our mission is simple: to motivate people to live their best active lives. We believe in the power of movement to connect and drive people forward. This role is on

Information Systems Security Engineer II (Onsite)

RTX Corporation

Sterling, Virginia, USA

Full-time

Date Posted: 2025-07-23 Country: United States of America Location: HVA34: Sterling, VA 22640 Davis Dr , Sterling, VA, 20164-7104 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret Information Systems Security Engineer II (Onsite) Do you like video games? Have you ever wondered what it would be like to create yo

Senior Offensive Security Engineer (InfoSec)

PaloAlto Networks

Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of

Security Engineer

ManTech

Herndon, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Security Engineer to join our team in Herndon, VA to design, implement, and maintain secure environments that align with compliance standards in support of a high priority mission at one of our National Intelligence Customers. This role requires an individual with a strong technical foundation in cybersecurity, a deep understanding of federal security frameworks, and a proactive approach to protecting mission-critical systems. Responsibili

Information Systems Security Engineer

BOOZ, ALLEN & HAMILTON, INC.

Fort Belvoir, Virginia, USA

Full-time

Information Systems Security Engineer The Opportunity: Are you looking for an opportunity to share your experience in system security engineering to help our country and assist our clients with critical missions? As a systems security and network security engineer, you can identify the Information System Security Engineering needed to assess vulnerabilities and recommend the best solution and security strategy. We need your experience to lead the development and implementation of security solut

Security Engineer (Multiple Positions)

TikTok

Seattle, Washington, USA

Full-time

Location : Seattle Employment Type : Regular Job Code : A87196 Apply to this job Share this listing: Responsibilities About TikTok TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo. Why Join Us Inspiring creativity is at the core of TikTok's missi

Application Security Engineer

U.S. Bank

Minneapolis, Minnesota, USA

Full-time

At U.S. Bank, we're on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial decisions and enabling the communities we support to grow and succeed. We believe it takes all of us to bring our shared ambition to life, and each person is unique in their potential. A career with U.S. Bank gives you a wide, ever-growing range of opportunities to discover what makes you thrive at every stage of your career. Try new things, learn new skills and dis

Senior Security Engineer IS - Identity & Access Management *Virtual*

Providence Health & Services

Remote or Irvine, California, USA

Full-time

Job Description Senior Security Engineer IS - Identity & Access Management We are seeking a highly motivated Senior Security Engineer with a passion for Authentication and Identity technologies to join our Enterprise Security & Infrastructure organization. The ideal candidate has experience designing and implementing enterprise-wide identity solutions. A successful engineer in this role will maintain awareness of new security and authentication trends, research, evaluate, design, and recommend

Network Security Engineer

ALTA IT Services

Montgomery, Alabama, USA

Full-time

Network Security Engineer Montgomery, AL - 100% ONSITE Maxwell AFB / Gunter Annex Secret clearance is required to start Must be Security+ certified Must get Palo Alto certification within 90 days of hire Different shifts available: 7am - 3pm 3pm - 11pm 11pm - 7am Requirements: 5+ years experience with Enterprise DOD boundary protection and CSSP operations. Install, monitor, configure, troubleshoot, upgrade, patch, harden, maintain, and operate intrusion detection/prevention systems, firewalls