Senior Penetration Testing, Software Assurance and Vulnerability Assessment Engineer

Position Overview

Dexian Government Solutions is recruiting for a Senior Penetration Testing, Software Assurance, and Vulnerability Assessment Engineer to support our proposal at the DHS CIETS in the DC Metro area. The engineer serves as DHS I&A's senior offensive security and technical assessment specialist, responsible for identifying vulnerabilities, assessing system security posture, validating security control effectiveness, conducting penetration testing activities, evaluating software assurance risks, and providing actionable remediation recommendations across classified and unclassified environments.

• Penetration testing
• Vulnerability assessments
• Security testing and evaluation
• Software assurance analysis
• Security control validation
• Technical risk identification
• Security architecture assessment
• Remediation planning
• Continuous monitoring support

The position functions as the Government's senior technical assessor, independently identifying weaknesses before adversaries do.

• Conduct penetration testing of DHS I&A systems and environments.
• Evaluate system resistance to cyber-attacks.
• Assess network, application, operating system, and infrastructure security.
• Perform adversarial testing activities to identify exploitable weaknesses.
• Validate the effectiveness of implemented security controls.
• Document findings and recommend corrective actions.

• Conduct comprehensive vulnerability assessments.
• Analyze vulnerability scan results.
• Identify security weaknesses and misconfigurations.
• Assess severity and operational impact of vulnerabilities.
• Validate remediation effectiveness.
• Provide technical recommendations to reduce risk.

• Evaluate software security posture.
• Assess application security controls.
• Review software development and deployment risks.
• Identify coding and implementation weaknesses.
• Support secure software development practices.
• Analyze software assurance findings and recommend mitigation strategies.

• Perform security testing supporting RMF activities.
• Validate implementation of technical security controls.
• Support Security Control Assessments (SCAs).
• Evaluate effectiveness of security safeguards.
• Verify compliance with security requirements.
• Assist authorization teams in assessing residual risk.

• Conduct technical security reviews of systems and architectures.
• Evaluate proposed technologies and security implementations.
• Identify engineering weaknesses affecting system security.
• Support architecture and design reviews.
• Recommend technical improvements.

• Support ongoing vulnerability management activities.
• Assess emerging risks and threat exposure.
• Review remediation progress.
• Monitor recurring findings and risk trends.
• Support continuous authorization activities.

• Analyze risks associated with identified vulnerabilities.
• Recommend risk mitigation strategies.
• Evaluate compensating controls.
• Prioritize remediation activities.
• Brief Government leadership on technical findings and risk implications.

• Coordinate with ISSOs and ISSMs regarding findings.
• Support Security Control Assessors during assessments.
• Work with system administrators and engineers to resolve vulnerabilities.
• Provide technical recommendations to system owners.
• Support Government cybersecurity leadership during audits and inspections.

• ISSOs
• ISSMs
• Security Control Assessors
• Security Risk Management Engineers
• Cybersecurity Engineers
• System Administrators
• Application Development Teams
• Enterprise Architects
• System Owners
• Authorizing Officials

The Senior Penetration Testing, Software Assurance and Vulnerability Assessment Engineer must have at least 2 years of recent experience in each of the following technical areas: software assurance, penetration testing with a range of automated tools, vulnerability assessment, security patch management, secure cloud and hybrid engineering, and CDS, for a total of at least 10 years.

Certification Requirements:
The engineer must possess certifications as a Certified Ethical Hacker (CEH) and CISSP, or comparable demonstrable experience.

Clearance Requirements: TS/SCI with CI Polygraph.

Our robust benefits package includes Open Paid Time Off, 11 Federal Paid Holidays & 5 Paid Sick Days, Company-paid Life/AD&D, Company-paid Short Term and Long-Term Disability, Health Insurance with Company Contribution, 401k Plan with Company Match, Employee Recognition Program, opportunity for Employee Referral Bonus, opportunity for annual Performance Bonus and much more.

Dexian Government Solutions is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment is decided based on qualifications, merit, and business need. All applicants will be considered for employment without attention to race, religion,…