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Network Engineer III

Job in Cary, Wake County, North Carolina, 27511, USA
Listing for: Sierra Nevada Corporation
Full Time position
Listed on 2026-10-31
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Network Engineer, Cloud Computing: Infrastructure & Operations
Salary/Wage Range or Industry Benchmark: 95000 - 125000 USD Yearly USD 95000.00 125000.00 YEAR
Job Description & How to Apply Below
## Network Engineer IIIApply:
Remote or hybrid or in office:
Southern Pines, NC:
Hagerstown, MD:
Full time:
Posted Today:
R0030849

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Network Engineer III, you will play a pivotal role in overseeing network infrastructure projects and ensuring the reliability and security of the corporate network. This position requires extensive experience in network engineering, project management capabilities, and a proactive approach to problem-solving. You will act as a lead on various projects and mentor junior engineers.

The Mission Solutions and Technologies (MST) business area provides affordable, turn-key command/control, communications, integrated ISR, force protection and security solutions worldwide. The MST team has a long legacy of supporting the Department of Defense, Department of Homeland Security, commercial and international customers with years of experience in platform operations, engineering and full lifecycle management across domains – air, land, sea, space and cyber.
** Responsibilities:
*** Design, implement, expand, and maintain secure network architectures
* Drive the adoption of new technologies and best practices within the engineering team
* Oversee the development and enforcement of network security policies and procedures
* Azure and AWS configuration and maintenance
* Windows Server and Linux operating system configuration and maintenance  
** Qualifications You Must Have:
*** Bachelor’s degree in a related field.
* 5+ years of experience in a related field.
* Relevant experience can be considered as a substitute for the required educational qualifications. In the absence of a degree, a minimum of 8 years of related experience is required.
* Higher level relevant degree may substitute for experience.
* Strong knowledge of network protocols and services [e.g., Transmission Control Protocol/Internet Protocol (TCP/IP), Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP)].
* Experience designing & managing network implementation projects in a dynamic fast paced environment.
* Experience with IDM (Identity Management) and Active Directory user and asset management
* Experience with deployment, configuration, and sustainment of Windows Server and Linux-based operating systems
* Proficient with deployment of solutions in Cloud Service Providers such as Microsoft Azure and Amazon AWS
* Experience administering Hyper Converged Infrastructure / Virtualization Technology
* Familiarity with the Cybersecurity Maturity Model Certification (CMMC) framework and control implementation
* Experience configuring, implementing and leveraging computer security and networking diagnostic/monitoring tools
* Ability to rapidly work with minimal supervision on projects
* Ability to work in a highly collaborative, fast-paced environment
* Excellent organizational, documentation, communication and interpersonal skills
* Ability to gain and maintain a Secret Clearance  
** Qualifications We Prefer:
*** IAT Level III certification (CISSP, CASP, GCIH, etc.)
* Professional industry certifications such as Microsoft Azure Administrator, AWS Solutions Architect,  Cisco Certified Networking Professional, Comp Tia certification (Security+, Network+, Server+)
* Experience engineering zero trust networking solutions.
* Expertise in Multiprotocol Label Switching (MPLS) WAN, Software-Defined Wide Area Network (SD-WAN), and emerging networking technologies.
* Experience in containerized software ecosystem:
Docker, container deployment, Docker swarm, Docker security hardening (networking, monitoring, logging)
* Experience with scripting languages/tools (Bash, Python, Perl, Powershell)
* Experience working with Developers, Dev Ops, and Engineering teams in a dynamic environment to promote/implement the Dev Sec Ops  program throughout the organization
*
* Essential Functions:

*** Must be able to lift 25 lbs regularly.
* Work primarily at a computer for extended periods.
* Frequent use of hand/finger dexterity for computer work.
* Ability to work in an office or hybrid environment.
* Occasional travel may be required.
* The ability to participate in after hours on-call duties.

This posting will be open for application for a minimum of 5 days and may be extended based on business needs.

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more.
**…
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