Security Software Engineer
Proofpoint Inc
Job Description The Proofpoint Threat Research team—including Emerging Threats—investigates and creates protective measures against advanced malware and intrusion techniques used by cybercriminal and nation‑state actors. To do this effectively, researchers rely on innovative tooling, scalable infrastructure, and hygienic analysis environments. This role focuses on building and maintaining those systems. Day‑to‑Day Tasks Evaluate and support changes to our Threat Analysis environment. Analyze needs and create and support internal tools where appropriate. Support a team researching new and past threats, including malware, exploit kits, and vulnerabilities. Technical Requirements Experience with network traffic inspection tools, such as Wireshark, tcpdump, Moloch, etc. Familiarity with virtualization technologies, such as VMware products, VirtualBox, KVM, etc. Experience with one or more scripting languages; Lua and Python proficiency preferred. Experience with regular expressions/PCRE. Creativity, enthusiasm for the network threat space, and a willingness to collaborate with the team. Must be able to work under broad strategic guidance. Required Skills Experience building web applications (React preferred). RESTful API design and implementation. Database experience (PostgreSQL, ES, or MongoDB). Data pipeline and ETL experience. Experience with containerization (Docker, Kubernetes). Role Overview This is a solution engineering role at the intersection of threat research, detection engineering, and platform development. You’ll enable researchers to move faster, see more, and detect better by creating and maintaining tools to help them help each other and our customers. EEO Statement Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability. #J-18808-Ljbffr
$130k - $180k
...Senior Software Engineer - Security Engineering Arvada, Colorado Loft Federal is committed to delivering the U.S. national security space community a fast, affordable, and streamlined pathway to orbit. As a wholly owned U.S. subsidiary of Loft Orbital Solutions,...SuggestedImmediate start- A trusted federal contractor located in Aurora, CO is seeking a Software Developer to design, develop, and maintain high-quality applications. In this role, you'll use your coding skills to create software solutions that have a meaningful impact. Collaboration with a dynamic...SuggestedFor contractorsFlexible hours
$147k - $237.5k
A leading cybersecurity firm is seeking a hands-on Security Engineer to define and build foundational security infrastructure. This role requires significant experience in security engineering, strong communication skills, and the ability to lead projects. The firm values...SuggestedRemote job$175.2k - $262.8k
...learn more about life at Klaviyo? Visit klaviyo.com/careers to see how we empower creators to own their own destiny. As a Lead Security Engineer on the Enterprise Security team, you’ll play a central role in securing the corporate systems and platforms that Klaviyo runs...Suggested- ...A leading technology firm is seeking an Application Security Engineer to protect web and mobile applications from security threats. The engineer will conduct comprehensive security testing, collaborate with development teams on secure solutions, and enhance the organization...Suggested
- ...New Charter Technologies, Inc. is seeking an Application Security Engineer to join their product engineering team. This remote position focuses on embedded security within internal tooling and will support a roadmap toward a public-facing SaaS product. Ideal candidates...Remote work
$160k
...We are seeking an Application Security Engineer to join our product engineering team. This role focuses on embedded security within internal... ...Qualifications 7+ years in application security, secure software development, or a closely related discipline. Demonstrated ability...Full timeRemote work$165k - $225k
...Senior Application Security Engineer Denver, CO or Long Beach, CA or SF Bay Area, CA Space is a warfighting domain. True Anomaly seeks... ...We build autonomous spacecraft, advanced payloads, mission software, and space-based interceptors — enabling the U.S. and its...Permanent employmentShift work$186.07k - $218.9k
...and alignment. Attendance is expected and fully supported. Security is a primary competency at Coinbase, and the Security Team... ...contracts, and other distributed ledger tech Partner with software engineering teams to advise on code and architecture for internal smart...Contract workLocal area$70.6k - $124.43k
Role Overview The Cyber Software Engineer Associate is an entry‑level position for recent graduates or early‑career professionals eager to... ...cyber engineers and architects, you will learn and implement security frameworks such as NIST, OWASP, and ISO27001 throughout the...Full timeTemporary workInternshipFlexible hours3 days per week- The Application Security Engineer will play a critical role in safeguarding web, mobile, and backend systems from vulnerabilities and malicious... ...materials. Implement industry best practices for secure software development. Conduct gap analysis to ensure alignment with...
$97.6k - $138.6k
...you opportunities to learn and grow? A position at Xcel Energy could be just what you're looking for. Role Summary The Security Engineer - Cloud Security (AWS) is responsible for building and running the AWS cloud security program with a focus on reducing risk through...Temporary workFor contractorsWork at office3 days per week- Lockheed Martin is hiring a Cyber Software Engineer Associate in Littleton, Colorado. This is an entry-level role focused on applying cybersecurity... ...Python scripts, and participating in code reviews to learn secure coding practices. Benefits include competitive pay, medical...
$80.1k - $125.8k
Northrop Grumman Corp. (JP) in Aurora, CO is seeking an Associate Cyber Software Engineer to design and develop CNO tools and applications. Candidates should possess a relevant Bachelor's Degree and have experience in programming languages like Python or C/C++. TS/SCI with...Flexible hours$80.1k - $125.8k
...commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to enable strategic... ...join our team as an Associate Cyber Software Engineer . Places of performance for this position are...RelocationShift work- ...The Senior Cloud Security Engineer at Aurora is responsible for designing, implementing, and managing automated security systems across cloud environments and Kubernetes infrastructure to ensure the safety and integrity of the company's digital assets. Key Responsibilities...Work at office3 days per week
$145k - $195k
...and ambition to build the technology that secures it. OUR MISSION True Anomaly... ...spacecraft, advanced payloads, mission software, and space-based interceptors - enabling... ...operations. As our Senior Cloud Security Engineer, you'll build security tooling and implement...Permanent employment$222k - $278k
...A code security company is looking for a Senior Security Engineer to enhance product security. This role involves collaborating with engineering teams to ensure secure application development and infrastructure management. Ideal candidates will have 7+ years of experience...Work at office$40 per hour
A tech-driven cybersecurity company is seeking experienced professionals to evaluate AI-generated security content and solve technical cybersecurity problems. This remote role allows flexible scheduling and project selection, paying $40+ per hour. Candidates should have...Remote jobHourly payFlexible hours$40 per hour
A cybersecurity company is seeking experienced professionals to evaluate AI-generated security content and solve technical problems. This role is fully remote and flexible, allowing you to work on your own schedule. Requirements include 2+ years in cybersecurity, coding...Remote jobHourly payFlexible hours$40 per hour
A cybersecurity company is looking for experienced professionals to train AI models by evaluating AI-generated security content and solving technical problems. Candidates should have 2+ years of cybersecurity experience and coding knowledge, with fluency in English. This...Remote jobHourly payFull timePart timeFlexible hours$40 per hour
...firm is looking for experienced cybersecurity professionals to join their team. In this remote role, you will evaluate AI-generated security content, solve technical problems, and provide feedback to enhance AI reasoning about real-world cybersecurity threats. Candidates...Remote jobHourly payFlexible hours$40 per hour
A cybersecurity-focused company is seeking experienced cybersecurity professionals to evaluate AI-generated security content and solve technical problems in a flexible remote role. Candidates should have at least 2 years of hands-on experience in cybersecurity and some...Remote jobHourly payFlexible hours$119.77k - $140.9k
...at—all from Day One. Job Description What You Will do As a Netskope ZTNA Systems Engineer you, you will be responsible for developing, configuring, and managing security policies to ensure the protection of data, compliance with regulations, and prevention of...Temporary workWork experience placementLocal area3 days per week$102k - $149.6k
MAXAR TECHNOLOGIES, INC. is seeking a Cloud Security Engineer (DevOps) in Westminster, CO, responsible for designing and maintaining security applications in a cloud environment. Applicants should have at least 5 years of DevOps experience, possess a valid CompTIA Security+...- A cybersecurity-focused company is seeking experienced professionals to evaluate AI-generated security content and solve real-world cybersecurity problems. This flexible role allows you to work remotely from various locations, engaging in projects that enhance AI systems...Remote workFlexible hours
$40 per hour
A cybersecurity analytics firm is seeking experienced cybersecurity professionals to evaluate AI-generated security content, solve technical problems, and provide feedback for AI models. The role offers flexible remote work from the US and pays hourly starting at $40+....Remote jobHourly payFlexible hours$104k - $156k
...Type Remote/Hybrid Job Overview As an Advanced Security Engineer focused on Endpoint Security, you will design, build, and operate... ...device experiences. This role blends handson software engineering with systemlevel security ownership in a modern...Remote work- Cloud Security Engineer (DevOps) Location: Westminster or Longmont, CO Responsibilities Design, implement, and maintain multiple security... ...Security+ or equivalent DoDD 8140 certification. 5 years of DevOps, software, or infrastructure engineering experience. Bachelor’s degree...
$145k - $192.5k
Job Overview Bank of America's Global Information Security (GIS) team is seeking a Cyber Threat Defense AI Security Senior Engineer to drive the integration of advanced AI technologies into our cyber defense ecosystem. This senior individual contributor role focuses on...Shift workDay shift
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