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Operations and Maintenance (O&M) Engineer

United States, Chantilly Employment contract 100000.00 - 200000.00 USD / Year · Job Posted May 04, 2026
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Job Description

Who we are: At Applied Network Solutions (ANS), we bring together some of the most curious minds in networking and cybersecurity. ANS was founded to disrupt the status quo. For over 20 years, our team provides expertise in network, system engineering and both offensive and defensive cybersecurity operations. What we do: Our vision is for a future in which talent and customers alike come to ANS because of our reputation for delivering technical excellence, solving our nation’s toughest challenges and our ability to exceed expectations. Why ANS: At ANS we value the integrity of your work. We are looking for the right person to plan, analyze, design, develop, test, secure, integrate, implement, operate, and maintain the custom solutions that ANS delivers. Together, let’s ensure today is safe and tomorrow is smarter.

Job Responsibility

  • Tier III O&M of Juniper and Cisco routers include extensive troubleshooting at the layer 2 and layer 3 level and implementation of routing changes
  • Troubleshooting network issues related to connectivity, latency, asymmetric routing
  • Implementation of routing and troubleshooting issues related to the following protocols: OSPF, BGP, MPLS, VRF’s, VPN’s
  • Support technical exchange meetings to help resolve other ISP and application owner issues
  • Support problem management to conduct root cause analysis of recurring issues
  • Provide day-to-day Operations and Maintenance (O&M) support for incident management events and outages
  • Collaborate with IT staff on projects and initiatives
  • Work with corresponding technical support teams as required to resolve network traffic concerns
  • Utilize monitoring tools and log collectors to provide in-dept analysis of traffic anomalies and issues
  • Candidate will be on call after hours on a rotational basis

Requirements

  • Tier III O&M Network Engineer to support the customer's various wide area networks (WANs) and local area networks (LANs)
  • This position will provide routing to an enterprise level infrastructure across multiple classifications and act as subject matter experts in routing technologies across multiple vendors
  • TS/SCI w/ Poly
  • Candidate must have 16 years of experience that can be a combination of work history and education. This equates to a Doctorate and 8 years, master’s and 10 years, bachelor’s and 12 years, associates and 14 years or HS diploma and 16 years.
  • Must be compliant with DoD 8140 Information Assurance Technical (IAT) Level 2.
  • Experience with configuring and troubleshooting Juniper and Cisco routers and switches.
  • Experience with protocols such as OSPF, BGP, VPN’s, VRF’s, MPLS.
  • Understanding of routing, switching, Internet Protocol (IP) subnet, Network Address Translation (NAT) and security technologies.
  • Demonstrated ability to engineer and modify rulesets to allow connectivity for new customer requirements.
  • Demonstrated ability to read, understand, and develop schematic diagrams, technical manuals, and documentation such that the supported equipment and software can be maintained with minimal training.
  • Working knowledge of Service Now or similar IT Service Management (ITSM) products.
  • Superior verbal and written communication skills.
  • Intermediate-level knowledge of MS Office products Word, Excel, PowerPoint, and Visio.
  • This position requires office presence a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.

Nice to have

Experience with Palo Alto, Cisco Adaptive Security Appliance (ASA), and Forcepoint firewall equipment and applications

What we offer

  • Family Medical, Dental (w/ adult orthodontia) and Vision coverage
  • Pet Discount Program
  • PTO (Paid Time Off)
  • Maternity/ Paternity Leave
  • Supplemental Military Leave Pay
  • 11 Paid Holidays
  • 401(k) plan with 6% Company Contribution
  • Generous Professional Development Program
  • 100% Employer paid Short- and Long-Term Disability
  • 100% Employer paid Life Insurance
  • Supplemental Whole Life Insurance
  • Lucrative Referral Bonus Program
  • Annual Allowance for ANS Swag
  • Potential for Paid Overtime
  • Flexible Work Schedules

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