Security Developer

Arctic Wolf; Cork; On-site; EUR 60,000 - 80,000; Full time

Job summary

A leading cybersecurity firm in County Cork is seeking a Security Developer to enhance their Aurora Endpoint Defense Team. The ideal candidate will have over 2 years of experience, strong skills in Python and YAML, and a background in security telemetry. This position offers collaborative work on innovative projects and competitive compensation with a robust benefits package.

Benefits

Equity for all employees

28 days annual leave and paid volunteering days

Comprehensive private benefits plan

Pension Plan with employer contribution

Robust Employee Assistance Program

Qualifications

• 2+ years of experience as a Security Developer.
• Experience with Python or YAML.
• Experience in security telemetry analysis and detection.
• Professional certifications in Security and/or Cloud required (CISSP, GNFA, etc.).

Responsibilities

• Analyze and develop new detection rules for Aurora.
• Write clean and efficient Python code.
• Manage competing tasks and deadlines.
• Collaborate with cross-functional teams.
• Conduct regression and end-to-end testing.

Skills

Python

YAML

Windows Security/Sysmon logs

Linux

MacOS

MITRE ATT&CK framework

Windows PowerShell Monitoring

SIEM

XDR/EDR

Git

Virtual Machines

Anomaly and behavioral detections

SQL

Elastic search

Kibana

Grafana

Education

B.Sc. in Computer Science

Job description

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At Arctic Wolf, we're not just navigating the cybersecurity landscape - we're redefining it. Our global team of dedicated Pack members is driving innovation and setting new industry standards every day. Our impact speaks for itself: we've earned recognition on the Forbes Cloud 100, CNBC Disruptor 50, Fortune Future 50, and Fortune Cyber 60 lists, and we recently took home the 2024 CRN Products of the Year award. We’re proud to be named a Leader in the IDC MarketScape for Worldwide Managed Detection and Response Services and earning a Customers' Choice distinction from Gartner Peer Insights. Our Aurora Platform also received CRN’s Products of the Year award in the inaugural Security Operations Platform category. Join a company that’s not only leading, but also shaping, the future of security operations.

Our mission is simple: End Cyber Risk. We’re looking for a Security Developer to be a part of making this happen.

A Security Developer has a clear history of successful contribution to
professional security development projects. They are driven, curious, and
results oriented. They can manage competing priorities as they relate to
improving existing our existing codebase of detections and constantly
challenge the status quo.

About You
You’re a talented security developer who loves building things and cares deeply about code quality and reliability while optimizing performance. You
enjoy coordinating with distributed cross-functional teams. You are constantly
adapting to emerging technologies, trends, and best practices. You will build
productive internal/external working relationships to resolve mutual problems
by collaborating on procedures or transactions, with a focus on providing standard professional advice and creating initial reports/analyses for review by experienced team professionals.

2+ years of professional experience as a Security Developer
Experience consists of projects contributing to either Python or YAML
OS Specific Telemetry: Windows Security/Sysmon logs, Linux, MacOS
Experience with applying the MITRE ATT&CK framework to intelligence
products and associated depth of analysis for each TTP and threat
actor represented in this body of knowledge
Windows PowerShell Monitoring
Understanding of threat protection/detection tooling/stacks: SIEM,
XDR/EDR
EDR detections/signatures
Sigma and Yara Rules
SQL Knowledge, Databricks is a plus.
Experience using Git repositories (GitHub, Git Bash, GitLab)
Experience using Virtual Machines (VMware workstation)
Development of anomaly and behavioral based detections
Tuning and optimization of detections for all the above
Professional certifications in Security and/or Cloud are required (i.e.
CISSP, GNFA, GCFA, GCFE, GREM).
Experience consists of leading a team of 3 or more Security Developers
while contributing code independently
Experience leading Agile development teams, preferably with formal
Agile training
Resourceful self-starter with a positive, can-do attitude

Nice to Have
A clear history of technical influence (public conference talks, papers,
etc)
A clear history of learning and skills development. Regularly helps
security developers develop their skills in a variety of ways.
B.Sc . in Computer Science
Experience using Elastic search, Kibana or Grafana.

About the Role
You’ll be working as a Security Developer on our Aurora Endpoint Defense
Team, responsible for ensuring quality and scale of our detection base and
presenting actionable detections to our Security Services teams and
customers.

About the Role and Responsibilities:
Analyze, research, and develop new detection rules for Aurora Focus,
applying MITRE ATT&CK framework.
Understand the product and how Security Services delivers the service.
Convert investigations performed by our Threat Teams:
TRIARCTITIOTRO into new content (detection/telemetry rules).
Customer Escalation (BFD), collaborate with S2 teams on
investigations regarding emerging threats, to generate new detection
rules.
Fine Tune/Calibration: determining true threats or false positives, and
providing solutions, like exclusions, logic change or decreasing
severity.
Writing clean, efficient, and reusable code in Python.
Conducting code reviews and providing constructive feedback to
ensure code quality and maintainability.
Ability to effectively manage multiple tasks simultaneously;
coordinating and ensuring scheduled goals are met.
Maintain documentation up to date: new tool or process.
Run regression and end-2-end testing
Push production releases, and notification emails.
Collaborating with cross-functional teams to gather requirements and
implement detections.
Participate in Purple Teaming exercises as Blue Teamer.
Generate metrics over Databricks Dashboard.
Deliver regular threat briefing presentations to internal & external
stakeholders on topics ranging from threat actor campaign activity,
novel TTPs, and emerging malware or exploits
Utilize best practices for threat research and documentation and
deliver high-quality detection rules.
Optimizing application performance and ensuring scalability.
Participate in the full software development life cycle, building well-
designed, testable, efficient, secure code.
Continuously learning and adopting best practices for code quality,
software development methodologies, and programming principles to
enhance coding skills and stay updated with industry advancements.

We value a culture of sharing, so every team can share their work with the
entire department during our monthly R&D Demos. Once a year we hold a
department-wide Hackathon, teaming up across all R&D teams over four
days to collaborate and build cool ideas outside the normal project scope.
While innovation is the focus, some of these ideas do make it into our products.

About Arctic Wolf
At Arctic Wolf, we foster a collaborative and inclusive work environment that thrives on diversity of thought, background, and culture. This is reflected in our multiple awards, including Top Workplace USA (2021-2024), Best Places to Work – USA (2021-2024), Great Place to Work – Canada (2021-2024), Great Place to Work – UK (2024), and Kununu Top Company – Germany (2024). Our commitment to bold growth and shaping the future of security operations is matched by our dedication to customer satisfaction, with over 7,000 customers worldwide and more than 2,000 channel partners globally. As we continue to expand globally and enhance our technology, Arctic Wolf remains the most trusted name in the industry.

Our Values

Arctic Wolf recognizes that success comes from delighting our customers, so we work together to ensure that happens every day. We believe in diversity and inclusion, and truly value the unique qualities and unique perspectives all employees bring to the organization. And we appreciate that—by protecting people’s and organizations’ sensitive data and seeking to end cyber risk— we get to work in an industry that is fundamental to the greater good.

We celebrate unique perspectives by creating a platform for all voices to be heard through our Pack Unity program. We encourage all employees to join or create a new alliance. See more about our Pack Unity here.

We also believe and practice corporate responsibility, and have recently joined the Pledge 1% Movement, ensuring that we continue to give back to our community. We know that through our mission to End Cyber Risk we will continue to engage and give back to our communities.

All wolves receive compelling compensation and benefits packages, including:

Equity for all employees
28 days annual leave, 10 public holidays and paid volunteering days off
Comprehensive private benefits plan including medical, mental health, dental, disability, and value-added services
Pension Plan with employer contribution
Robust Employee Assistance Program (EAP) with mental health service
Employee Discount Program with Beneplace

Arctic Wolf is an Equal Opportunity Employer and considers applicants for employment without regard to race, color, religion, sex, orientation, national origin, age, disability, genetics, or any other basis forbidden under federal, provincial, or local law. Arctic Wolf is committed to fostering a welcoming, accessible, respectful, and inclusive environment ensuring equal access and participation for people with disabilities. As such, we strive to make our entireemployeeexperience as accessible as possible and provideaccommodationsas required for candidates and employees with disabilities and/or other specific needs where possible. Please let us know if you require any accommodations by emailing

Security Requirements

Conducts duties and responsibilities in accordance with AWN’s Information Security policies, standards, processes and controls to protect the confidentiality, integrity and availability of AWN business information (in accordance with our employee handbook and corporate policies).
Background checks are required for this position.