Security Engineer II – Security Operations

AvidXchange, Inc.•Charlotte, NC

5h•Hybrid

About The Position

AvidXchange is seeking a driven and detail-oriented Security Engineer II to join our Technology and Security organization, with a primary focus on Security Operations, detection engineering, and incident response. In this role, you will enhance and operate the security controls, automations, and monitoring capabilities that protect our systems, data, and infrastructure. You’ll collaborate closely with Security Engineering, Architecture, Technology Operations, and Software Engineering to strengthen our detection posture, streamline response workflows, and continuously improve our SIEM/SOAR ecosystem. This position is ideal for someone who thrives in fast paced environments, enjoys solving complex security problems, and is passionate about building scalable, automated, and resilient detection and response capabilities.

Requirements

3+ years of experience in security operations, detection engineering, cybersecurity engineering, or a related technical discipline.
Hands‑on experience with SIEM/SOAR platforms, including alert creation, tuning, automation workflows, and log onboarding.
Strong understanding of security monitoring concepts, attacker TTPs, and frameworks such as MITRE ATT&CK.
Experience with cloud environments (Azure, AWS, or GCP) and cloud native logging, monitoring, and security controls.
Proficiency with scripting or programming languages (YARA-L, Python, PowerShell, etc.) for automation, data analysis, and tool integration.
Familiarity with incident response processes, vulnerability management, and security architecture fundamentals.
Strong communication and collaboration skills, with the ability to work effectively across technical and business teams.

Nice To Haves

Security certifications such as CySA+, GSEC, GCIA, GMON, CEH, CCSP, or CISSP are strongly preferred.
Experience working in agile, DevSecOps, or high-velocity operational environments.
A proactive, analytical mindset with the ability to identify gaps, propose improvements, and drive operational excellence.

Responsibilities

Develop, tune, and maintain SIEM detections, SOAR automations, processes, and playbooks to improve detection accuracy and response efficiency.
Monitor, analyze, and triage security alerts, logs, and telemetry to identify threats, suspicious activity, and opportunities for improved visibility.
Partner with diverse teams to support incident response, including investigation, containment, remediation, and post incident reviews.
Continuously refine alerting logic to reduce false positives and enhance signal to noise ratio across security tools and platforms.
Collaborate with engineering and operations teams to ensure logging, monitoring, and security controls are properly implemented and aligned with best practices.
Evaluate and optimize security technologies to improve automation, detection coverage, and operational efficiency.
Contribute to threat modeling and detection engineering efforts by researching emerging threats, attacker techniques, and relevant security trends.
Assist with compliance, audit, and risk assessment activities by providing evidence, documentation, and remediation guidance.
Maintain and update security documentation, including operational procedures, architecture diagrams, and response playbooks.
Participate in the on-call rotation to provide timely incident response, including triage, investigation, containment, and escalation of security events, while ensuring clear communication and thorough documentation throughout the response lifecycle.

Benefits

18 days PTO
11 Holidays (8 company recognized & 3 floating holidays)
16 hours per year of paid Volunteer Time Off (VTO)
Competitive Healthcare
High Deductible Heath Plan Option that has $0 monthly premium for teammate-only coverage
100% AvidXchange paid Dental Base Plan Coverage
100% AvidXchange paid Life Insurance
100% AvidXchange paid Long-Term Disability
100% AvidXchange paid Short-Term Disability
Employee Assistance Program (EAP) - Provides counseling services, legal and financial consultations and health advocacy for Teammates and their eligible dependents
Onsite Health Clinic with Atrium Health - available to Teammates and their eligible dependents
401(k) Match: 100% match on the first 3% of your salary, plus 50% match on the next 2%
Parental Leave: 8 weeks 100% paid by AvidXchange
Discounts on Pet, Home, and Auto insurance
WeeCare Childcare Service: helps teammates find affordable daycare, childcare, and tutors 40% less expensive than traditional daycare centers
Perks at Work: free discount program that provides teammates the opportunity to save on items from electronics, movie tickets, car buying, vacations, and more
Onsite gym fitness center, yoga studio, and basketball court
Tuition Reimbursement up to the federal maximum of $5,250
Hybrid Workplace Flexibility
Free parking