Demo

Network Engineer

NS2 Mission
Chantilly, VA Full Time
POSTED ON 3/3/2025
AVAILABLE BEFORE 5/28/2025

Job Description

Job Description

Are you a skilled Network Engineer eager to work on mission-critical, cutting-edge infrastructure? NS2 Mission is seeking a Network Engineer to join our team in Chantilly, VA (HQ) and play a key role in designing, securing, and optimizing high-availability networks. In this fast-paced environment, you’ll lead efforts in advanced routing, switching, firewalls, and security compliance, ensuring top-tier performance and reliability.

Job Duties & Responsibilities :

  • Provide expert-level network design, infrastructure support, change management, scheduling, and implementation.
  • Plan and maintain software upgrades and patches for firewalls, switches, and routers.
  • Maintain, evaluate, test, and apply Security Technical Implementation Guide (STIG) configurations for network devices.
  • Monitor and respond to security findings and events across the network infrastructure.
  • Develop and maintain comprehensive documentation, including network diagrams, configurations, and security procedures.
  • Communicate effectively with internal teams, executive stakeholders, and customers, ensuring clear technical guidance and recommendations.

Required Qualifications :

  • Active TS / SCI with Polygraph and CompTIA Security certification (must maintain DoD 8570 IAT Level II or higher throughout employment).
  • Experience :
  • 12 years of related experience (without a degree), OR

  • 8 years with a bachelor’s degree , OR
  • 4 years with a master’s degree , OR
  • 1 year with a Ph.D.
  • Strong professional knowledge of routing, switching, and firewall concepts and protocols (e.g., TCP / IP, DNS, DHCP, VLANs, VPNs, OSPF, BGP, IS-IS, MPLS, LDP, RSVP, VPLS, STP).
  • Experience with industry-standard network hardware platforms, operating systems, and high-availability (HA) network infrastructures.
  • Proficiency in network traffic analysis, including packet capture techniques and tool placement for traffic flow assessment.
  • Hands-on experience with network testing, configuration development, and implementation on critical networks.
  • Experience in network device hardening, STIG compliance, and security tools such as Nessus and Splunk.
  • Ability to update and maintain network diagrams using Visio or similar tools.
  • Self-motivated learner, adaptable to dynamic environments, with the ability to provide strategic recommendations to stakeholders.
  • Preferred Qualifications :

  • Additional security certifications such as DoD 8570 IAT Level II / III .
  • Cisco certifications (CCNA, CCNP, CCIE).
  • Expertise with Cisco Catalyst and ASA series platforms.
  • In-depth knowledge of routing, switching, and firewall technologies.
  • Experience in designing and maintaining high-availability, fault-tolerant network environments.
  • Prior experience working with classified networks.
  • Position Clearance Requirement :

    TS / SCI with CI Poly

    Please be aware many of our positions require the ability to obtain or maintain a U.S security clearance which requires U.S citizenship.

    NS2 Mission is an Affirmative Action / Equal Opportunity Employer. NS2 Mission is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, characteristic or membership in any other group protected by federal, state or local laws.

    By submitting your resume for this position, you understand and agree that NS2 Mission may share your resume, as well as any other related personal information or documentation you provide in your application, with its affiliated companies for the purpose of considering you for other available positions.

    NS2 Mission maintains a drug-free workplace and may perform pre-employment substance abuse testing, where required by contract and permitted by law.

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