Vulnerability Analyst — External Attack Surface & VDP
1 month ago• Charlotte, NC 
Malvern, PAGrand Prairie, TX
 What you'll do 
- Validate & reproduce findings from EASM ( internet exposed assets, misconfigurations, leaked services, weak crypto, open ports) and from VDP submissions (web, API, mobile, infrastructure). Use manual techniques and PT frameworks to confirm exploitability and business impact.
- Right - size severity & priority using exploitability signals (e.g., public exploit, EPSS/KEV), control context, asset criticality, and exposure window; document rationale and evidence that developers and risk owners can act on.
- De duplicate, enrich & route findings to the correct owners; eliminate false positives; merge related signal (scanner output, logs, asset inventory, prior exceptions) and ensure single threaded tracking to closure.
- Partner with secure business enablement & product teams to negotiate remediation paths and SLAs; propose compensating controls or layered fixes when " one-shot " remediation isn't feasible .
- Partner on governance workflows for risk acceptances, rating overrides, and re acceptance cycles; ensure issues aging and SLAs are visible in our dashboards.
- Close the loop with researchers (for VDP) through clear, respectful communications and crisp proof - of - fix retesting.
- Continuously improve signal quality by tuning rules/policies, source inventories, and intake/playbooks; author repeatable runbooks for common vuln classes.
- Contribute as an adversary when needed ( mini - engagements ) to validate edge case chains and confirm impact beyond tool output.
What you'll bring
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- 3 - 5 years in vulnerability analysis, application/infrastructure security, red teaming, or penetration testing (internal or consulting).
- Proven ability to validate complex issues (param tampering, authN /Z bypass, SSRF, injection, IDOR, misconfig , cloud/API exposures) and write concise, repeatable steps with screenshots/ PoCs .
- Experience with EASM (e.g., Censys , Defender EASM, Cortex Xpanse ) and VDP/bug bounty platforms (e.g., HackerOne , Bugcrowd ) and their triage mechanics.
- Familiarity with enterprise VM & tracking (ServiceNow VR/IRM, Jira, Archer/Risk Register), and with platform scanners (Qualys/ Tenable/ Nessus/Burp/ZAP).
- Working knowledge of cloud (AWS/Azure), web & API security, PKI/TLS hygiene, DNS, and internet e xposed service hardening.
- Scripting (Python/PowerShell/Bash) for repeatable validation and data wrangling; basic SQL helpful.
- Exceptional written communication-capable of translating technical risk into actionable guidance and executive clarity.
Nice - to - have exposure
- EPSS/ KEV driven prioritization, attack path/graph concepts, and risk quant inputs.
- Cloud posture and SaaS posture signals (SSPM) that intersect with external exposure.
- Building tuning logic for scanners and platform rules (e.g., policy libraries, discovery seeds, asset correlation).
- Certifications such as OSCP , GWAPT , GPEN (or equivalent demonstrable skill) are a plus; CISSP nice - to - have.
What's in it for you
- A front row seat reducing real-world external risk-turning noisy findings into decisive action .
- Growth pathways into pen testing , threat modeling/assurance , or VM program leadership .
Special Factors
Sponsorship
Vanguard is not offering visa sponsorship for this position.
About Vanguard
At Vanguard, we don't just have a mission-we're on a mission.
To work for the long-term financial wellbeing of our clients. To lead through product and services that transform our clients' lives. To learn and develop our skills as individuals and as a team. From Malvern to Melbourne, our mission drives us forward and inspires us to be our best.
How We Work
Vanguard has implemented a hybrid working model for the majority of our crew members, designed to capture the benefits of enhanced flexibility while enabling in-person learning, collaboration, and connection. We believe our mission-driven and highly collaborative culture is a critical enabler to support long-term client outcomes and enrich the employee experience.
Client-provided location(s): Charlotte, NC, Malvern, PA, Grand Prairie, TX
Job ID: Vanguard-170330
Employment Type: FULL_TIME
Posted: 2025-09-09T20:26:15
Perks and Benefits
- Health and Wellness- FSA
- HSA
- Health Reimbursement Account
- Fitness Subsidies
- On-Site Gym
- HSA With Employer Contribution
- Health Insurance
- Dental Insurance
- Vision Insurance
- Life Insurance
- Short-Term Disability
- Long-Term Disability
- Mental Health Benefits
- Virtual Fitness Classes
- Pet Insurance
 
- Parental Benefits- Non-Birth Parent or Paternity Leave
- Birth Parent or Maternity Leave
- Fertility Benefits
- Adoption Assistance Program
- Family Support Resources
- Adoption Leave
 
- Work Flexibility- Flexible Work Hours
- Hybrid Work Opportunities
 
- Office Life and Perks- Company Outings
- Commuter Benefits Program
- Casual Dress
- Happy Hours
- Snacks
- Some Meals Provided
- On-Site Cafeteria
 
- Vacation and Time Off- Personal/Sick Days
- Paid Holidays
- Paid Vacation
- Volunteer Time Off
- Leave of Absence
 
- Financial and Retirement- Relocation Assistance
- Performance Bonus
- 401(K) With Company Matching
- 401(K)
- Financial Counseling
- Profit Sharing
 
- Professional Development- Promote From Within
- Mentor Program
- Shadowing Opportunities
- Access to Online Courses
- Tuition Reimbursement
- Internship Program
- Lunch and Learns
- Leadership Training Program
 
- Diversity and Inclusion- Diversity, Equity, and Inclusion Program
- Employee Resource Groups (ERG)
 
Company Videos
Hear directly from employees about what it is like to work at Vanguard.