> Markdown version of [/jobs/ext/3875038-principal-cybersecurity-engineer](https://www.wearedevelopers.com/jobs/ext/3875038-principal-cybersecurity-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Principal Cybersecurity Engineer

- **Company:** Mantech International Corporation
- **Location:** Chandler, AZ, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Cloud Computing Security, Static Program Analysis, Cyber Security, Digital Forensics, Network Security, Zero Trust Network Access, Reverse Engineering, Diagnostic Tools, Mitre Att&ck, Multi-Cloud, SC Clearance, Information Technology, Cyber Warfare
- **Published:** October 22, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9257574/principal-cybersecurity-engineer

## About the Role

* Bachelor's Degree in Cybersecurity, Computer Science, Information Technology, or a related field.

 * Minimum of 5 years of specialized cybersecurity experience in enterprise or federal SOC environments.

 * Must hold at least ONE primary certification: CISSP (or Associate), CCSP, SSCP, GMON, GCIH, GCIA, CEH, or CASP+.

 * Must hold at least ONE secondary certification from the DoD 8140 CSSP Analyst, Infrastructure Support, or Incident Responder list.

 * Demonstrated hands-on experience with security event correlation tools, digital forensics, and binary analysis.

Preferred Qualifications:

 * Master's Degree in a technical discipline.

 * Direct experience supporting federal cyber defense operations (DHS, DoD, or IC).

 * Practical knowledge of Zero Trust Architecture (ZTA) implementation and cloud-native security controls.

Clearance Requirements:

 * Active Secret Clearance required; must be eligible to obtain and maintain a Top Secret/SCI Clearance.
 * Must be a U.S. Citizen and able to obtain and maintain agency suitability/EOD prior to starting.

Physical Requirements:

 * Must be able to remain in a stationary position 50% of the time.
 * Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers and customers.

## Description

MANTECH seeks a motivated, career, and team-oriented Principal Cybersecurity Engineer to support a major federal homeland security program in Washington, DC or Chandler, AZ.

As part of this mission, you will serve as a senior technical authority driving enterprise-wide threat defense, operational resilience, and advanced security analytics. This is a unique opportunity to mature security operations for a large-scale federal SOC, leveraging continuous threat exposure models, zero trust principles, and next-generation security automation., * Implement, optimize, and tune comprehensive offensive and defensive security capabilities across complex, enterprise-scale environments.

 * Lead end-to-end incident handling, including scoping, timeline reconstruction, root cause analysis, and impact assessment across cloud, network, endpoint, and mobile infrastructures.

 * Perform static and dynamic malware reverse engineering (sandboxing, code analysis) to extract Indicators of Compromise (IOCs) and analyze C2 infrastructure.

 * Align security architecture, detection tools, and incident telemetry with MITRE ATT&CK and D3FEND frameworks.

 * Correlate digital forensics findings with threat intelligence, SOC alerts, and adversary Tactics, Techniques, and Procedures (TTPs).

 * Provide expert guidance on network security architecture, operating system hardening, and multi-cloud security posture management.