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Principal Systems Security Engineer; Cyber Engineer P4 - Cleared On-Site

Job in Woburn, Middlesex County, Massachusetts, 01813, USA
Listing for: Apex Systems
Full Time position
Listed on 2026-03-02
Job specializations:
  • Engineering
    Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below
Position: Principal Systems Security Engineer (Cyber Engineer) P4 - Cleared On-Site
##

Job Description # Principal Systems Security Engineer (Cyber Engineer) P4 - Cleared On-Site
* Bachelor’s degree in
** Science, Technology, Engineering, or Mathematics (STEM)
*** Active
** Secret clearance
** required at start
* Experience creating system‑security documentation, such as:  + System security requirements  + Security architecture/design artifacts  + Security plans, program protection artifacts, or policy documents
* Strong technical, analytical, and communication skills
- Minimum
** 8+ years
** of prior engineering experience
- Demonstrated experience in
** System Security Engineering (SSE)
** and/or
** Cybersecurity Engineering**- Experience working with the
** NIST Risk Management Framework (RMF)**- Experience in one or more of the following:  
* System security architecture  
* Embedded security  
* (Use the "Apply for this Job" box below).  
* Secure embedded computing  
* Reverse engineering or vulnerability assessment
* Experience in engineering leadership or technical management
* Hands‑on experience with security toolsets, such as:  + Anti‑virus and endpoint protection  + Vulnerability assessment tools  + Host‑based or network‑based intrusion detection (HIDS/NIDS)  + Multi‑factor authentication (MFA)  + Security Information and Event Management (
** SIEM**) tools (Splunk strongly preferred)
* Scripting experience (e.g.,
** Linux Bash**,
** Python**)
* Experience implementing security controls across:  + Operating systems (Linux, UNIX, Windows)  + Embedded software  + LAN/WAN environments
* DoD 8570/8140 IAT Level II certifications, such as:  +
** Security+**  +
** CISSP**  +
** CEH
* ** Experience in:  + Security feature development and vulnerability analysis  + Operating system hardening  + Secure configuration and account‑management best practices
* Knowledge of DoD and Federal IA processes, including:  + Certification and Accreditation (C&A)  + IA controls and documentation  + RMF package development
* Familiarity with Program Protection Plans (PPP) and related directives
* Experience contributing to U.S. Government contract proposals as an IA/SSE subject‑matter expert
* Strong ingenuity, creativity, and ability to design innovative security solutions
* Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package.

Our commitment to excellence is reflected in many awards, including Clearly Rated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click
* * for more details.
* #J-18808-Ljbffr
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