Network Engineer II

Sierra Nevada Corporation; Beavercreek (OH); Hybrid; USD 80,000 - 110,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision plans

401(k) with 150% match up to 6%

Life insurance

3 weeks paid time off

Tuition reimbursement

Job summary

Sierra Nevada Corporation is seeking a Network Engineer II to join our corporate team. You will implement and troubleshoot complex LAN/WAN/VPN networks, document configurations, and provide tier-2 support while ensuring security and compliance across the organization.

You will monitor performance, analyze bottlenecks, and mentor junior staff, with opportunities to work with senior engineers and cross-functional teams. Hybrid work environment may apply.

Qualifications

• Bachelor’s degree or 6+ years related experience in lieu of degree.
• 2+ years in networking with LAN/WAN/VPN.
• Solid understanding of TCP/IP, DNS, DHCP.
• Proficient with switching gear and wireless/VPN deployments.
• Experience in corporate network support and SLAs.
• Familiarity with firewall principles and security basics.
• Eligible to obtain/maintain Secret clearance.

Responsibilities

• Implement complex network solutions including LAN/WAN/VPN and wireless.
• Document network architecture and configurations.
• Diagnose and resolve escalated network issues across hardware and software.
• Provide tier-2 support for incidents and service requests.
• Monitor performance using advanced tools and metrics.
• Analyze traffic to identify bottlenecks and optimize efficiency.
• Manage security measures like firewalls, IDS/IPS, and VPNs.
• Ensure compliance with policies and regulatory requirements.
• Coordinate with cross-functional teams and vendors for projects.
• Maintain documentation and generate performance reports.
• Mentor junior engineers and conduct knowledge-sharing sessions.

Skills

TCP/IP knowledge

DNS & DHCP understanding

Networking switching

VPN experience

Wireless networking

Security protocols

SLA support

Mentorship

Troubleshooting complex networks

Cable and fiber basics

Education

Bachelor’s degree in a related field

Tools

Firewall concepts

IDS/IPS basics

Network monitoring tools

Collaborative tools & ticket systems

Job description

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Network Engineer II, you will enhance your expertise in managing and troubleshooting complex network systems. Your role will involve greater responsibility for implementing network solutions, handling escalated issues, and ensuring robust security protocols. You will work closely with senior engineers and other stakeholders to support the organization’s networking needs. As SNC's corporate team, we provide the company and its business areas with strategic direction and business support spanning executive management, finance and accounting, operations, human resources, legal, IT, information security, facilities, marketing, and communications.

Responsibilities:

• Implement complex network solutions, including Local Area Network (LAN), Wide Area Network (WAN), Virtual Private Network (VPN), and wireless networks.
• Document network architecture and configurations.
• Diagnose and resolve complex network issues, including hardware, software, and connectivity problems.
• Provide tier-2 support for network incidents and service requests.
• Monitor network performance using advanced tools and techniques.
• Analyze network traffic and performance metrics to identify and resolve bottlenecks and optimize efficiency.
• Implement and manage network security measures, such as firewalls, intrusion detection/prevention systems (IDS/IPS), and VPNs.
• Ensure network compliance with organizational policies, industry standards, and regulatory requirements.
• Coordinate with cross-functional teams and external vendors to ensure successful project delivery.
• Maintain detailed documentation of network configurations, changes, and procedures.
• Generate and present reports on network performance, incidents, and trends.
• Provide guidance and mentorship to junior network engineers and IT staff.
• Conduct training sessions and knowledge-sharing activities.
• Stay current with emerging networking technologies and industry best practices.
• Recommend and implement improvements to network infrastructure and processes.

Qualifications You Must Have:

• Bachelor’s degree in a related field.
• 2+ 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 6 years of related experience is required.
• Higher level relevant degree may substitute for experience.
• A deep understanding of network protocols and services [e.g., Transmission Control Protocol/Internet Protocol (TCP/IP), Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP)].
• Proficiency with networking switching equipment and systems.
• Proficiency with wireless and VPN implementations.
• Familiarity with AI in troubleshooting network issues.
• Strong experience with networking equipment.
• Experience supporting a corporate network, maintaining Service Level Agreements (SLAs), providing support to corporate IT departments.
• Basic understanding of firewall principles and maintenance.

Qualifications We Prefer:

• Cisco Certified Network Associate (CCNA) certification.
• Experience with Software-Defined Wide Area Network (SD-WAN) technologies.
• Strong knowledge of network security practices and tools.
• Experience with Voice over Internet Protocol (VOIP) systems.
• Hands-on expertise with a wide variety of network related tools, concepts, technologies, best practices and security procedures.
• Hands-on expertise with network hardware, protocols, and media including but not limited to Fiber Optics and Unshielded Twisted Pair (UTP).
• Hands-on experience with network automation platforms.
• An understanding of zero trust networking principles.

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 afterhours 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:

• medical
• dental
• vision plans
• 401(k) with 150% match up to 6%
• life insurance
• 3 weeks paid time off
• tuition reimbursement
• and more

IMPORTANT NOTICE: This position requires the ability to obtain and maintain a Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use. Learn more about the background check process for Security Clearances.

SNC is a global leader in aerospace and national security committed to moving the American Dream forward. We’re known and respected for our mission and execution focus, agility, and disruptive and rapid innovation. We provide leading edge technologies and transformative solutions that support our nation’s most critical security needs. If you are mission-focused, thrive in collaborative environments, and want to make our country stronger with state-of-the-art technologies that safeguard freedom, join our team! SNC is an Equal Opportunity Employer committed to an environment free of discrimination. Employment decisions are made based on merit without regard to race, color, age, religion, sex, national origin, disability, status as a protected veteran or other characteristics protected by law. SNC is a trusted global leader in aerospace and national security. Our innovative solutions enable connected protection through command, control and communications systems, as well as ISR, cyber, electromagnetic spectrum management, and other high capabilities for systems across all domains – sea, land, air, space and cyber. As a longstanding leader in defense technology, SNC is the optimum intersection of commercial, defense and non-traditional contractors. We are one of the only privately owned mid-tier A&D contractors and we pride ourselves on our ability to invest early and often to ensure mission success on or ahead of schedule. It’s part of our mission to always stay one step ahead; working on solutions today to solve the problems of tomorrow. Founded in 1963, SNC is owned by Chairwoman Eren Ozmen and CEO Fatih Ozmen.