Sr Network Engineer

United States·SpringfieldFull-Time Employeesenior

Network EngineerInfrastructure & Cloud

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Network EngineerInfrastructure & Cloud

About INflow Federal - founded in 2013, INflow Federal is a mission-driven small business delivering cutting-edge solutions to the Department of War (DoW) and Joint Force operations across 20+ states. Our strength comes from our people - especially the Veterans who make up over 50% of our workforce. Through our Veteran Outreach Program and employee-first culture, we invest deeply in professional growth, well-being, and innovation. Known for our agility, transparency, and integrity, INflow combines real-world experience with emerging technologies like AI/ML to help our customers lead in a rapidly evolving defense landscape. We empower both our employees and mission partners to stay ahead - driving smarter, faster, and more secure outcomes.

As a Network Engineer, you'll be at the heart of our mission to keep our customer's Data Center network, application delivery, and network security environments operating at peak performance. As a Tier III SME within the incident management process, you'll work independently with project stakeholders, system owners, project managers, and technical staff to deploy and enhance IT capabilities – driving our commitment to network modernization and operational resilience.

Here, your work is more than a job – it's a journey in innovation. With opportunities to work on high-impact projects, access to the latest technologies, and a culture that thrives on creativity and collaboration, INflow Federal is where your expertise can truly make a difference.

Support the customer's Data Center network, application delivery, and network security environments, including operations and maintenance (O&M), system integration/deployment, and solution development/design

Coordinate with project staff for solution development and deployment while managing project aspects within the applicable technical area of responsibility

Collaborate with system engineers across teams and disciplines to ensure deployments meet established technical goals and timelines

Evaluate new network technologies and make recommendations to stakeholders regarding integration into the existing network

Develop and implement methodologies for analysis, testing, and support of LAN and WAN networks

Diagnose hardware and software problems and replace defective components

Support operations and maintenance activities and administer networks, including hardware, systems software, applications software, and all configurations

Ensure systems are integrated with the existing performance and availability management framework

Schedule and coordinate systems changes within the established change management framework

Evaluate new system hardware and software to ensure optimal integration with existing hardware and compliance with customer standards

Prepare technical proposals for presentation to engineering review boards for adding new technologies to the network

Perform a full range of upgrades in accordance with the existing network architecture

Review user requests for network upgrades or additions, assess impact on network performance, and advise on the most practical technical approach to meeting user requirements

Perform long-term O&M activities, including Tier 3 troubleshooting and problem resolution

Interface with external Tier 4 support staff and vendor support as required for problem resolution

Utilize complex network analysis tools to identify and correct network problems while maintaining logs and records of reported issues

Prepare troubleshooting procedures for restoring the network to optimal performance levels

Develop and document standard operating procedures (SOPs) for use by technical support staff

Provide fault management for the network and support performance management functions

Senior-level understanding and experience with dynamic routing protocols, including OSPF and BGP

Senior-level understanding of data center technologies

Understanding and experience analyzing TCP/UDP application flow using external network analyzers along with built-in network switch/router diagnostic tools

Familiarity with DoD STIGs and SD-WAN

Experience with MS Visio and documenting network architectures and application flows

Strong oral and written communication skills; effective at communicating technical ideas through presentations, documentation, and meetings

Ability to learn and evaluate new technologies

Initiative, time management, and attention to detail – the candidate will manage their own projects from start to finish

Familiarity with EVPN, VXLAN, Cisco vPC, ACI, F5 load balancing, and RSTP

Experience with Cisco, F5, Juniper, and Palo Alto hardware and operating systems

10 years of experience preferred, with several years focused specifically on data center networking and technologies

Bachelors Degree in a related field or 4 years of additional experience

Professional Cisco or Juniper certifications (at a minimum CCNP, F5-CTS, or JNCIP)

Active DoD TS/SCI

Certification Requirements

Most of our contracts require DoD 8140 (formerly 8570) compliance. We built 8140.study - our certification training platform - to help. This helps you study for certifications such as the CompTIA Security+.

Other Notes

Some travel may be required: Must have valid driver’s license and transportation. This is subject to change at the direction of the customer.
If accommodation is needed with your application or the interview process for applicants with disabilities, please contact Human Resources at 703-594-8601.
Candidate must have the ability to lift up to 50 lbs.
Must have willingness to perform duties not listed in the job description as required by INflow and our customer.

Citizenship Requirements

* Please note that INflow Federal is a defense contractor. Pursuant to our government contracts, candidates must be US Citizens to be considered for employment.

Equal Opportunity Employer

Diversity and Inclusion

INflow provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

This commitment applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, leaves of absence, compensation, and training. Job applicants and employees are evaluated solely on job-related qualifications and experience.