Security Engineer.

CISSP is the gold standard for mid to senior roles. OSCP demonstrates hands on penetration testing skills. CompTIA Security+ is valued for entry level positions. Choose certifications that align with your target role: offensive security, GRC, cloud security, or incident response each have specific valued credentials.

Describe work in generalized terms without naming specific clients or vulnerabilities. Use phrases like 'conducted penetration testing for Fortune 500 financial services client' and quantify outcomes generically. Security professionals are expected to maintain confidentiality, and demonstrating discretion on your resume is itself a positive signal.

Most Security Engineer resumes should be one page for candidates with under 10 years of experience and two pages for senior professionals. Prioritize relevance over length. Every line should earn its place by demonstrating value to the target role.

For Security Engineer candidates with less than 10 years of experience, one page is ideal. Senior professionals with extensive relevant experience can use two pages. The key is that every line adds value. Padding a resume with irrelevant content hurts more than it helps.

A reverse chronological format works best for most Security Engineer resumes because it highlights your career progression. Use clean, consistent formatting with clear section headers, bullet points for achievements, and standard fonts. Avoid graphics, tables, and columns that can confuse ATS systems.