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Systems Engineer, Level 3 (AE)


Job Location:

Howard County, MD - USA

Yearly Salary: USD 1 - 159000
Posted: 8 October 2026 (Yesterday)
Application Deadline: 5 January 2027
Vacancies: 1 Vacancy

Job Summary

AEITS a GTSC company seeking a Systems Engineer Level 3.

Location: Annapolis Junction MD

All work is on-site. This is not a hybrid or remote position.

Mission: Develop and maintain threat detection and response plans procedures and technical documentation.

Clearance: Active Top Secret SCI with appropriate polygraph.

Certifications: None required.

Job Requirements:

  • Five years experience in the following Cybersecurity areas: CS architecture engineering design research or implementation COTS/GOTS CS tool implementation; and Emerging technologies in areas such as Cloud cybersecurity orchestration/automation and software defined networking.
  • Five years experience in DoD IC and other federal government policy directives and instructions relevant to cybersecurity strategic planning and direction Cybersecurity risk management and mitigation strategies and Supply Chain Risk Management.
  • Five years experience in at least 2 of the following areas: DoD Architecture Framework (DoDAF) version 2.02 modeling and DoDAF system engineering analysis or development; Cryptographic development and analysis; IA and Cybersecurity architectures concepts principles use cases and standards and DoD IC and other federal government policy directives and instructions relevant to IA and cybersecurity strategic planning and direction.
  • Systems Engineering experience with programs and contracts of similar scope type and complexity is required. Demonstrated experience in planning and leading Systems Engineering efforts is required.

Education:

  • Bachelors degree in System Engineering Computer Science Information Systems Engineering Science Engineering Management or related discipline from an accredited college or university is required.
  • Five (5) years of additional SE experience may be substituted for a bachelors degree.

Job Responsibilities:

  • Maintain and upgrade kernel integrity monitoring platforms and supporting servers.
  • Develop and maintain threat detection and response plans procedures and technical documentation.
  • Develop security testing justifications and plans and validate detection capabilities across endpoints networks boundary devices and SIEM integrations.
  • Maintain and troubleshoot Nessus Scanners including software upgrades supporting dependencies and documented upgrade procedures.
  • Evaluate security and network discovery tools for functionality vulnerability identification and operational suitability; coordinate evaluations with partner organizations.

Cloud Systems Security Engineer
  • Design implement integrate and manage multiple security sensor platforms: EDR XDR NDR
  • Implement and manage kernel integrity monitoring software onto all endpoints
  • Write detection endpoint and network signatures
  • Operate as the lead Security Operations Center analyst to monitor for threats to the system
    • Monitor for threats
    • Develop reports on any identified threats
  • Implement security validation platforms to test all Security Sensors
  • Administer endpoints running Red Hat and Ubuntu images
  • Develop visibility dashboards and custom data ingest pipelines in the SIEM for each of the security sensor platforms
  • Develop custom pipelines for data from the security sensor platform
  • Develop micro-segmentation rules within VMWare NSX-T for secure communications across the enterprise

Vulnerability Manager
  • Implement Tenable Security Center into the enterprise
    • Develop Scan profiles
    • Develop Scan Rules
    • Schedule Scans of the entire enterprise
    • Monitor scans for erroneous data and adjust them accordingly
  • Monitor scan results for findings and report them to the infrastructure team for remediation
  • Maintain levels of communication with both the infrastructure team and the ISSOs for maintenance of ATO

BENEFITS - Full-time Employees

  • 401K with employer contribution. Fully vested at 1 year anniversary.
  • Five (5) weeks comprehensive annual leave (25 workdays).
  • Additional leave can be earned in lieu of overtime.
  • 11 Paid Federal Government Holidays.
  • Up to $5000 annually for individually tailored education / training program.
  • All education plans must be pre-approved by Advantage Engineering management.
  • Life Insurance at 1x annual salary with employee option to purchase additional coverage for self and dependents.
  • Short-term and long-term disability.
  • We contribute a generous portion towards the cost of monthly medical plans for any of the three medical 1 dental and 1 vision plan provided by CareFirst.
  • All employees are eligible to earn generous incentives and performance bonuses.

AEITS a GTSC company is proud to be an equal opportunity employer committed to recruiting hiring and promoting qualified people of all backgrounds regardless of sex race color creed national origin religion age marital status pregnancy physical mental or sensory disability; sexual orientation; gender identity or any other basis protected by federal state or local law. Learn more about your EEO rights as an applicant.

GTSC is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities. If you have a disability and require assistance with our online application process please tell us how we can help by contacting us at

AEGOODWICK


Required Experience:

IC