Systems Integration Engineer IV-306341

Delaware Nation Industries

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Alexandria, Virginia, US on site Until 8/21/2026 15+ years exp First posted June 13, 2026 Last posted June 13, 2026
Job description

Systems Integration Engineer IV is responsible for the design, development, and implementation of security and monitoring technology solutions in support of a federal agency's mission-critical operations. This individual must possess a minimum of fifteen (15) years of experience in software development, cybersecurity engineering, and system integration, with demonstrated expertise in secure software lifecycle management, advanced monitoring technologies, and custom hardware development for security applications.

The candidate must hold industry-recognized certifications, such as CSSLP, CISSP, and/or PMP, and have proficiency in programming languages including Python, C/C++, C#, SQL, and VB, along with database management skills in PostgreSQL, MySQL, SQLite, and SQL Server. This position requires exceptional technical leadership, strong communication skills, and the ability to collaborate with federal stakeholders in a high-security environment.

Requirements

  • U.S. citizenship and ability to maintain a Top Secret/TS-SCI security clearance.
  • Bachelor's degree in Computer Science, Cybersecurity, Systems Engineering, or a degree incorporating related fields of study (or 5+ years of additional related experience)
  • 15+ years of experience in software development, cybersecurity engineering, and system integration.
  • Experience developing, maintaining, and operating U.S. Department of State Special Countermeasures Systems.
  • Experience developing, implementing, and integrating Department of State IDS and ACS solutions.
  • Experience in circuitry design and microcontroller system design, including PCB layout.
  • Experience leading and managing large, complex technology development and implementation projects.
  • Strong programming expertise in Python, C/C++, C#, SQL, and VB.
  • Experience with database technologies: PostgreSQL, MySQL, SQLite, and SQL Server.
  • Knowledge of DevSecOps methodologies, including automation and CI/CD pipelines.
  • Proficiency in secure coding practices, vulnerability assessments, and penetration testing.
  • Experience developing and integrating custom hardware solutions for security and monitoring applications, including embedded systems and secure microcontrollers.
  • Proficiency in electronics and embedded systems, including circuit design, microcontroller programming, and hardware troubleshooting for secure system applications.
  • Expertise implementing tamper-resistant and cryptographic hardware to enhance system security and protect against physical and side-channel attacks.
  • Design and integration experience with security sensors, control systems (ICS), and interface devices for real-time threat detection and monitoring.
  • Experience in developing low-level firmware for custom hardware, ensuring compliance with federal cybersecurity standards.

Benefits

Benefits Include:

  • Covers 100% of employee benefit premiums, including Medical (PPO or HDHP Option), Vision, Dental
  • Matching 401K
  • Short- and Long-Term Disability
  • Pet Insurance
  • Professional Development/Education Reimbursement
  • Parking and Transit Benefits for NY, NJ, ATL, and DC Metro areas

Other Duties:

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

Salary Compensation: $140,000-$145,000

About this role

Summary

Design, develop, and implement security and monitoring solutions for federal systems.

Job title

Systems Integration Engineer IV-306341

Experience level

15+ years

Minimum experience

15+ years exp

Industry

defense and security

Location requirements

Remote work not specified; role located in Alexandria, VA.

Salary

$140k–$145k

Management role

No

Skills & keywords

Required skills

PythonC/C++C#SQLPostgreSQLMySQLSQLiteSQL Serversecurity certificationsmicrocontroller designPCB layouthardware troubleshootingsecure codingDevSecOpspenetration testingcryptographic hardware

Preferred skills

None specified

Specializations

securitymonitoringhardwareembedded systemssystem integration
Locations

Structured locations inferred from the posting.

Alexandria, VA, USA

On-site City