Sr. Network/Systems Engineer

7Seventy; United States; Hybrid; USD 135,000 - 165,000; Full time

Benefits offered by this job

26 days paid leave

Performance bonuses

401(k) with 3% match

Company-paid life insurance

Medical/dental/vision + FSA/HSA

Parental leave 15 days

Tuition reimbursement

Paid training and certifications

Shared success program

Job summary

7Seventy is seeking a Sr. Network/Systems Engineer to design, implement, and optimize enterprise networking and hybrid infrastructure. The role spans network engineering, systems engineering, cybersecurity, secure infrastructure, and client-facing delivery.

The ideal candidate has DoD Top Secret clearance, IAT Level II, and at least eight years in the field, with experience in routing, firewalls, VPNs, and Zero Trust Architecture. Travel to client sites is required about 15%–25% of the time.

Qualifications

• Bachelor’s degree in a related field.
• Current DoD Top Secret Clearance is required and must be maintained.
• DoD 8570 IAT Level II certification requirements.
• Must maintain at least one approved certification (e.g., CCNA‑Security, CySA+, GICSP, GSEC, Security+ CE, CND, or SSCP).
• Familiarity with Zero Trust Architecture principles and implementation strategies.
• Experience with least privilege access controls, continuous authentication, and micro‑segmentation.
• Experience with Versa Networks is a plus.

Responsibilities

• Design, engineer, integrate, implement, test, maintain, review, and administer infrastructure for network security.
• Apply systems engineering principles across the lifecycle to translate cyber objectives into solutions.
• Configure cyber systems to meet user requirements and align with security policies.
• Provide innovative cybersecurity and infrastructure solutions.
• Lead technology assignments and evaluate performance to drive project success.
• Serve as a technical expert across projects and mentor junior staff.
• Stay current on market trends to implement best‑of‑breed solutions.

Skills

Leadership

Communication

Mentorship

Documentation

Project management

Independent work

Education

Bachelor’s degree in a related field

DoD Top Secret Clearance (active)

Tools

Versa Networks

Juniper

Cisco

BGP

VPN

Active Directory

Windows Server

Job description

Travel: Approximately 15% - 25% travel to client sites, including travel within the continental United States and outside the continental United States, as needed.

Compensation: $150,000+ per year. Final compensation is based on relevant experience, active security clearance level, certifications, technical skill set, contract requirements, and overall qualifications.

About the Role

This Sr. Network/Systems Engineer role supports the design, implementation, optimization, and troubleshooting of enterprise networking and hybrid infrastructure environments. The position works across network engineering, systems engineering, cybersecurity, secure infrastructure, and client‑facing technical delivery.

The role requires strong experience with secure networking environments, routing and switching, firewalls, wireless networks, Zero Trust Architecture, VPN technologies, system administration, documentation, technical leadership, and secure facility requirements.

What You’ll Do

• Design, engineer, integrate, implement, test, maintain, review, and administer infrastructure, hardware, and software used to manage network security and risk posture in alignment with security strategy.
• Apply systems engineering principles throughout the systems engineering lifecycle to translate cyber objectives, technology trends, and environmental conditions into effective engineering solutions.
• Configure cyber systems to meet user requirements and ensure proper alignment with security policies and standards.
• Apply advanced principles, theories, and concepts to solve complex technical problems and provide innovative cybersecurity and infrastructure solutions.
• Use comprehensive knowledge across key tasks and assignments, demonstrating expertise in multiple areas of cybersecurity and systems engineering.
• Plan and lead major technology assignments, evaluate performance results, and recommend significant changes to support project success and growth.
• Serve as a technical expert across multiple project assignments while operating with substantial autonomy.
• Provide mentorship or supervision to junior employees in technical competencies.
• Stay current on market and technology trends to identify and implement best‑of‑breed solutions for clients.

Qualifications

• At least 8 years of relevant experience in network and systems engineering roles.
• Deep understanding of networking technologies, security solutions, and system administration.
• Bachelor’s degree in a related field.
• Current DoD Top Secret Clearance is required and must be maintained.
• Must meet DoD 8570 IAT Level II certification requirements.
• Must maintain at least one approved certification, such as CCNA‑Security, CySA+, GICSP, GSEC, Security+ CE, CND, or SSCP.
• Familiarity with Zero Trust Architecture principles and implementation strategies.
• Experience implementing least privilege access controls, continuous authentication, and micro‑segmentation to improve network security.
• Experience with Versa Networks is a plus.
• Strong familiarity with network security solutions, including intrusion detection systems, firewall configurations, and related security measures.
• Proficiency with routing and switching technologies, especially Juniper and Cisco hardware.
• Experience designing, implementing, and troubleshooting wireless networks.
• Solid understanding of networking fundamentals, including network functions, routing protocols, configuration mappings, and network drawings.
• Experience with networking protocols and technologies such as BGP, static routing, IP multicast, and VPN technologies.
• Experience with Microsoft Windows operating systems and Active Directory for system administration tasks.
• Proficiency with Microsoft Office products, including Word, Excel, and Visio, for documentation and presentation purposes.
• Excellent written and verbal communication skills, including the ability to present findings to Engineering Review Boards and collaborate effectively with team members.
• Experience working in secure facilities with an understanding of high‑side protocols, procedures, and security requirements.
• Ability to travel to client sites within CONUS and OCONUS as needed, approximately 15% - 25%.
• Demonstrated ability to take initiative and lead projects independently.
• Strong attention to detail for information gathering, analysis, troubleshooting, and presentation purposes.
• Ability to work effectively with team members while also operating independently when needed.
• 26 days of paid leave, including vacation, sick time, personal time, and holidays.
• Performance bonuses based on individual contributions and company‑wide results.
• 401(k) plan with a 3% company match and immediate vesting.
• Company‑paid life insurance up to $300,000, with options for additional coverage for employees and dependents.
• Multiple medical plans, dental coverage, vision coverage, FSA options, and HSA options.
• 15 days of fully paid parental leave for new parents.
• Military differential pay for employees on active duty.
• Paid training and certifications, tuition reimbursement, and access to tools and technology needed to perform the work effectively.
• Shared success program tied to a future company sale, with a stated commitment to return 80% of net proceeds to employees if such a sale occurs.