Demo

Network Security Engineer III (MUST HAVE SECRET CLEARANCE)

DirectViz Solutions, LLC
Virginia, VA Full Time
POSTED ON 7/12/2026
AVAILABLE BEFORE 7/10/2031

DirectViz Solutions (DVS) is a dynamic and rapidly growing government contractor committed to delivering innovative IT solutions that address the mission-critical needs of our government clients. Through the expertise and dedication of our talented team, we provide cutting-edge technology services designed to achieve success and exceed expectations.

At DVS, we prioritize our employees as our greatest asset. We offer competitive compensation, comprehensive medical benefits, a 401(k) match, generous PTO accrual, professional development reimbursement, corporate-funded technology certifications, and robust employee recognition and appreciation programs.

Network Security Engineer II

Overview

We are seeking a motivated and detail-oriented Network Security Engineer III to support and maintain secure enterprise network environments in accordance with DoD cybersecurity and network security standards. The ideal candidate will have hands-on experience with network engineering, cybersecurity best practices, vulnerability management, and Cisco network technologies in classified or government environments. MUST HAVE AN ACTIVE SECRET CLEARANCE

This position supports mission-critical infrastructure and requires experience with secure network operations, STIG implementation, vulnerability remediation, and network troubleshooting.

Key Responsibilities

  • Support the design, configuration, implementation, and maintenance of secure network infrastructure.
  • Configure and maintain Cisco networking devices including routers, switches, and related technologies.
  • Perform network hardening activities in compliance with DoD cybersecurity requirements and Security Technical Implementation Guides (STIGs).
  • Conduct vulnerability assessments using Assured Compliance Assessment Solution (ACAS) and assist with remediation efforts.
  • Troubleshoot network connectivity, routing, switching, and performance issues across enterprise environments.
  • Utilize packet analysis and monitoring tools such as Wireshark and tcpdump to diagnose and resolve network issues.
  • Assist with implementing security controls and maintaining compliance with DoD cybersecurity policies and procedures.
  • Support system accreditation and continuous monitoring activities as required.
  • Maintain documentation related to network configurations, security findings, remediation activities, and operational procedures.
  • Collaborate with cybersecurity, systems engineering, and operations teams to ensure secure and reliable network services.

Required Qualifications

Education:

Bachelor's degree in Cybersecurity, Cyber Operations, Cyber Engineering, Information System, Information Technology, Computer, Electrical, or Electronics Engineering, Software Engineering, Computer Science, Mathematics with a concentration in Computer Science, or equivalent to above disciplines.

Certification:

A minimum of one of the following: CASP CE or CCNP Security or CISA or CISSP or GCED or GCIH or CCSP.

Clearance: Secret

Experience:

A combined total of eight (8) years of full-time professional experience in the following skillsets/disciplines:

  • Network Security to include the design, implementation, configuration, and enforcement of security controls on network, hardware, and software components and devices;
  • Performing STIG implementation;
  • Utilizing and configuring Active Directory;
  • Performing vulnerability assessments with the Assured Compliance Assessment Solution tool;
  • Configuring Cisco networking devices; o Utilizing packet analyzer tools (examples, Wireshark and tcpdump, etc.);
  • Implementing and managing firewalls and IDS/IPS solutions.

If you thrive on solving complex problems and building meaningful connections, we'd love to hear from you. Join our team and make an impact today!

Physical and Mental Qualifications:

  • Maintain focus and awareness throughout scheduled working hours.
  • Perform tasks requiring prolonged periods of sitting or standing at a desk, utilizing a computer, mouse, and keyboard.
  • Lift and move objects weighing up to 15 pounds as needed.
  • Exhibit excellent verbal and written communication skills, with a strong command of the English language.
  • Demonstrate the ability to work independently while also collaborating effectively as part of a team.
  • Quickly learn and retain routine tasks and processes.
  • Possess strong organizational skills, attention to detail, business correspondence proficiency, and self-management capabilities.
  • Perform the essential functions of the role satisfactorily; reasonable accommodation will be provided for employees with disabilities upon request.
  • Accept and adapt to additional responsibilities or changes to assigned duties as determined by DirectViz Solutions (DVS).

DirectViz Solutions, LLC (DVS) is an equal opportunity employer who prohibits discrimination and harassment against any employee or applicant for employment based on race, , sex (including pregnancy), age, gender identity, creed, religion, national origin, sexual orientation, marital status, genetic information, disability, political affiliation, protected veteran status, or any other status protected by federal, state or local law.

DVS has a zero-tolerance policy for harassment, threats, coercion, discrimination, and intimidation. Employees may file a complaint or exercise any right protected by Executive Order 11246, Section 503 of the Rehabilitation Act of 1973, as amended, Section 4212 of the Vietnam Era Veterans Readjustment Assistance Act of 1974, or the Veterans Employment Opportunities Act of 1998.





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