Senior Information Security Engineer

Make Your Mark: Reporting to the Senior Director of Information Security, the Sr. Information Security Engineer will play a lead role in executing security strategy and consulting on best-in-class security architecture and security posture for Black. Line. In this role you will provide on-call duties, manage/triage ticket queues, review access requests, review architecture, implement security solutions, collaborate with cross-functional teams, perform vulnerability management functions, and execute the evolution of Blackline’s Enterprise Information Security components.

You'll Get To: Participate in a 'follow-the-sun' on-call schedule, acting as the primary responder during the India shift to monitor, triage, and manage the security alerts queue. Bridge the gap between research and remediation by developing manual runbooks (SOPs) and automated playbooks needed to handle threats and eliminate noise.

Establish the operational scope and testing boundaries for security assessments and penetration tests, focusing on targeted risk discovery and impact. Apply a research-first mindset to incident response, demonstrating the critical thinking needed to independently triage threats and figure out new tools across a varied security landscape.

Operationalize security infrastructure through Terraform, with the foundational knowledge to independently research and implement automation across various providers and platforms. Manage the operation of key security technologies, including Endpoint Detection and Response (EDR), Data Loss Prevention (DLP), and Web Application Firewalls (WAF).

Leverage AI and LLMs to accelerate security analysis, automate repetitive tasks, and drive operational efficiency across the security stack. Flex into evolving security initiatives and technical projects as they arise, taking ownership of tasks that fall beyond the initial scope of this role. Define effective information security standards applicable to specific environments.

Create and maintain operational reports and security metrics, translating raw data into the technical insights required for data-driven decision-making. Serve as a technical leader and mentor, providing guidance to junior engineers and collaborating with cross-functional teams on security best practices.

What You'll Bring

5+ years of hands-on information security experience, including 1 year of experience managing Web Application Firewalls (WAF). Practical experience with cloud security platforms like SCCE, AWS Security Hub, or Azure Security Center, and the technical "scrappiness" to research and utilize new security services across a multi-cloud environment.

Strong problem-solving and analytical skills with the ability to identify security risks and propose effective solutions. Highly autonomous and productive in performing activities, requiring minimal direction from management. Proven ability to leverage scripting languages, such as Python, Bash, and Power. Shell, to interface with applications and/or available APIs.

Expertise in Windows and with a working knowledge of Linux/Unix (advanced Linux skills are a big plus). Working knowledge of network security-through understanding of the OSI model and comprehensive knowledge of common protocols and services for levels 3 through 7. Advanced written and verbal communication skills including the ability to present technical subjects to non-technical audiences. Maintain technical depth in common vulnerabilities and exploitation techniques to independently research, triage, and remediate complex security findings. We’re Even More Excited If You Have: Experience in securing Kubernetes and containers. Hands-on experience with securing AI systems and LLMs. Working knowledge of WMI and WSH in a modern security context. Utilize outside the box thinking to define new and improved solutions or optimize current processes and tools. Thrive at Black. Line Because You Are Joining: A technology-based company with a sense of adventure and a vision for the future. Every door at Black. Line is open. Just bring your brains, your problem-solving skills, and be part of a winning team at the world's most trusted name in Finance Automation! A culture that is kind, open, and accepting. It's a place where people can embrace what makes them unique, and the mix of cultural backgrounds and varying interests cultivates diverse thought and perspectives. A culture where Black. Liner's continued growth and learning is empowered. Black. Line offers a wide variety of professional development seminars and inclusive affinity groups to celebrate and support our diversity. Black. Line is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity or expression, race, ethnicity, age, religious creed, national origin, physical or mental disability, ancestry, color, marital status, sexual orientation, military or veteran status, status as a victim of domestic violence, sexual assault or stalking, medical condition, genetic information, or any other protected class or category recognized by applicable equal employment opportunity or other similar laws. Black. Line recognizes that the ways we work and the workplace itself has shifted. We innovate in a workplace that optimizes a combination of virtual and in-person interactions to maximize collaboration and nurture our culture. Candidates who live within a reasonable commute to one of our offices will work in the office at least 3 days a week. Accommodations: Black. Line is committed to creating an inclusive and accessible experience for all candidates. If you require a reasonable accommodation that would better enable your success during the application or interview process, please complete this form .