Demo

System Security Engineer

Lumark Technologies, Inc.
Fairfax, VA Contractor
POSTED ON 1/14/2026
AVAILABLE BEFORE 7/12/2026

Lumark Technologies, Inc. (www.lumark.com), founded in 1999, is a mature small business that provides services to Defense, Federal and Commercial clients. Lumark has an exciting job opportunity for an IA/System Security Engineer to join our team in support of the U.S. Military onsite in Fairfax, VA – this is an IMMEDIATE OPENING on an ACTIVE CONTRACT.


Duties

  • Performs network/environment monitoring, analysis and reporting in accordance with the provisions of DoD Directive 8570.01-M.
  • Examines potential security violations, incidents, malicious activity and attacks to determine if policy has been breached, assesses the impact, and preserves artifacts.
  • Enters and tracks events and incidents.
  • Supports incident escalation and assesses probable damage, identifies damage control and remediation, and assists in developing courses of action.
  • Supervises the installation, monitoring, testing, troubleshooting, and administration of IA hardware and software systems.
  • Recommends, schedules, and performs IA system repairs, systems administration, and maintenance.
  • Analyzes patterns of noncompliance or attacks and recommends appropriate actions to minimize security risks, vulnerabilities, and insider threat.
  • Configures, optimizes, and tests network devices.
  • Diagnoses and resolves IA problems in response to reported incidents.
  • Enhances rule sets to identify or block sources or potential sources of malicious traffic.
  • Implements and monitors policies and procedures reflecting the legislative intent of applicable laws and regulations (i.e. NIST, CMMC).
  • Prepares, distributes, and maintains plans, instructions, guidance, and standard operational procedures concerning Information security. 
  • Participates in IA risk assessments during the C&A / ATO process. 
  • Prepares, reviews, and evaluates documentation of compliance.
  • Prepares recommendations for the DAA. 
  • Reviews IA and IA enabled AI/ML software, hardware, and firmware for compliance with appropriate security configuration guidelines, policies, and procedures.
  • Authorizes and reviews AI security plans. 
  • Identifies alternative functional IA security strategies to address organizational security concerns.
  • Reviews security safeguards to determine that security concerns identified in approved policies, plans, and doctrines are fully addressed. 
  • Develops and implements programs to ensure that systems, network, and data users are aware of, understand, and follow IA policies and procedures. 
  • Contributes to all activities and steps that form the software development life cycle and implementation process, including CI/CD/DEVSECOPS with an emphasis on design, implementation, pipelines, testing, and deployment.


Qualifications

  • U.S. Citizenship
  • Currently hold or have recently held at minimum a DoD SECRET Clearance. An active Top Secret clearance is preferred.
  • Must currently reside in or near Fairfax, VA and be able to commute to the work location.
  • Bachelor of Science in Cybersecurity, or related technical degree.
  • Minimum 5 years of practical Cybersecurity experience.
  • Minimum CompTIA Security CE
  • Familiarity with containerization technologies such as Docker and Kubernetes
  • Familiarity with cloud platforms, such as AWS, Azure, and Google GCP
  • Practical Knowledge of Cybersecurity Maturity Model Certification 2.0
  • Experience with Agile Project Lifecycle Management tools (i.e. JIRA)
  • Experience using Code Repository tools (Git, GitHub, etc.)


What we offer:

  • Comprehensive benefits package including health, dental, and vision insurance.
  • Annual paid leave to include vacation, sick and holidays.
  • Retirement 401k.
  • Compensation Range: $125,000 - $135,000 Salary


Physical Requirements

Must have sufficient mobility, including but not limited to bending, walking, lifting, reaching, and kneeling to complete daily duties in a timely and efficient manner.


We thank you for your consideration of the job and wish you the best.


JobID: 0093


Salary : $125,000 - $135,000

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