Senior Network Engineer

sandymacevolution; Town of Florida (NY); On-site; USD 117,000 - 143,000; Full time

Job summary

sandymacevolution is seeking a Senior Network Engineer to support critical DoD operations in Doral, Florida. Candidates should have a strong background in Cisco networking and network security compliance, with at least 9 years of IT experience, including 5 years focused on network engineering.

This full-time role involves designing, configuring, and maintaining secure networks, providing technical leadership, and ensuring compliance with DoD standards.

Qualifications

• Minimum 9 years of IT experience, with at least 5 years in Network Engineering.
• Experience configuring Cisco routers and switches.
• Hands-on experience with network security configurations.

Responsibilities

• Design, configure, and troubleshoot secure enterprise networks.
• Maintain security compliance for DoD networks.
• Lead and mentor junior engineers.

Skills

Active Top Secret/Sensitive Compartmented Information (TS/SCI) security clearance

Cisco networking (routers, switches, firewalls)

Network troubleshooting skills

DoD cybersecurity requirements knowledge

Python scripting or network automation

Education

Bachelor’s degree in Information Technology or related field

Tools

Cisco Identity Services Engine (ISE)

DISA Security Technical Implementation Guides (STIGs)

Job description

Senior Network Engineer – Doral, Florida

Employment Type: Full‑time. 1099 may be considered. Salary: $130,000+ annually, with compensation based on experience and qualifications. Start Date: As soon as possible. Location: Onsite in Doral, Florida.

Mandatory Requirements

• Active Top Secret/Sensitive Compartmented Information (TS/SCI) security clearance.
• Ability to work onsite in Doral, Florida.
• Minimum 9 years of total Information Technology experience.
• Minimum 5 years of hands‑on Network Engineering experience.
• Experience configuring, maintaining, and troubleshooting Cisco routers, switches, and firewalls.
• Hands‑on experience with Cisco Identity Services Engine (ISE).
• Experience supporting classified DoD networks, including SIPRNet, NIPRNet, and JWICS.
• Experience implementing, maintaining, or remediating DISA Security Technical Implementation Guides (STIGs).
• Working knowledge of Risk Management Framework (RMF), NIST cybersecurity frameworks, and DoD cybersecurity requirements.
• Current DoD 8570 IAT LevelII certification.

Position Overview

Sandy Mac Evolution LLC is seeking a highly experienced Senior Network Engineer to support mission‑critical Department of Defense operations in Doral, Florida. This position requires a seasoned network professional capable of walking into a secure enterprise DoD environment and independently managing classified network infrastructure with minimal supervision. The senior engineer will support the design, configuration, security, maintenance, troubleshooting, and optimization of enterprise network systems across classified and unclassified environments. The ideal candidate will have deep technical expertise in Cisco networking technologies, classified network operations, DISA STIG compliance, RMF support, and secure DoD enterprise infrastructure.

Key Responsibilities

• Design, configure, maintain, and troubleshoot secure enterprise network infrastructure in support of DoD mission requirements.
• Configure and support Cisco routers, switches, firewalls, and related enterprise network equipment.
• Administer and maintain Cisco Identity Services Engine (ISE) for authentication, access control, and network security enforcement.
• Support classified network environments, including SIPRNet, NIPRNet, and JWICS.
• Maintain secure network operations in accordance with DoD policies, cybersecurity requirements, and mission priorities.
• Implement, maintain, and remediate DISA Security Technical Implementation Guides (STIGs) for network devices and infrastructure.
• Configure, support, and troubleshoot Cisco IOS, NX‑OS, ASA firewalls, routing protocols, TCP/IP, DNS, DHCP, and enterprise network services.
• Support firewalls, IDS/IPS, network access control, authentication systems, and risk mitigation activities.
• Perform network performance analysis, root cause analysis, and issue resolution across enterprise environments.
• Assist cybersecurity teams with RMF documentation, ATO support, compliance activities, vulnerability mitigation, and NIST framework alignment.
• Support secure network architecture, operational security, and classified infrastructure protection.
• Collaborate with Information System Security Officers, system administrators, cybersecurity personnel, and mission stakeholders.
• Provide technical support for network modernization, upgrades, migrations, and infrastructure improvement efforts.
• Support troubleshooting and sustainment of mission‑critical network systems during outages, maintenance windows, and operational events.
• Mentor junior Network Engineers, administrators, and Network Operations Center staff.
• Provide senior‑level technical leadership and recommendations to improve reliability, security, and performance.
• Maintain accurate network documentation, diagrams, configurations, and technical records as required.

Required Qualifications

• Active TS/SCI clearance.
• Bachelor’s degree in Information Technology, Computer Science, Engineering, Cybersecurity, or a related technical discipline (alternative experience may be considered).
• Minimum 9 years of overall IT experience.
• Minimum 5 years of hands‑on Network Engineering experience.
• Strong Cisco enterprise networking experience, including routers, switches, firewalls, Cisco IOS, NX‑OS, ASA, and Cisco ISE.
• Experience supporting secure DoD network environments, classified networks including SIPRNet, NIPRNet, and JWICS.
• Experience with DISA STIG implementation, assessment, remediation, and compliance support.
• Knowledge of RMF, NIST cybersecurity framework, DoD security controls, and ATO support processes.
• Experience with routing, switching, TCP/IP, DNS, DHCP, firewalls, IDS/IPS, and network access control.
• Ability to troubleshoot complex enterprise network issues independently.
• Ability to work in a fast‑paced mission environment with limited handholding.
• Current DoD 8570 IAT LevelII certification (Security+, CySA+, CCNA Security, GSEC, or equivalent).

Preferred Qualifications

• Cisco CCNP or CCIE certification.
• CompTIA Security+ certification.
• ITIL Foundation certification.
• Experience supporting a Combatant Command environment.
• Experience supporting SOUTHCOM or other DoD operational commands.
• Experience with Cross Domain Solutions and security guards.
• Experience with Secure Cloud Computing Architecture.
• Experience with cloud networking, virtualization, or hybrid enterprise environments.
• Experience with network automation, scripting, or configuration management.
• Experience mentoring junior engineers, administrators, or NOC personnel.
• Experience working directly with ISSOs, ISSMs, cybersecurity teams, and government stakeholders.

Ideal Candidate Profile

The ideal candidate is a senior‑level cleared Network Engineer who understands both enterprise networking and secure DoD operations. This person should be confident working with Cisco infrastructure, classified networks, cybersecurity compliance requirements, and mission‑critical systems. They are expected to step into the environment and contribute quickly, solving problems, communicating clearly, documenting work properly, and maintaining secure network operations in a highly controlled DoD environment. They will also provide technical leadership, mentoring, and support for NOC staff.

Clearance Requirement

An active Top Secret/Sensitive Compartmented Information clearance is mandatory. Candidates who do not currently possess an active TS/SCI clearance will not be considered.

Work Location

This position is located onsite in Doral, Florida. Candidates must be available to work onsite in support of the customer’s mission requirements.

Compensation

The salary for this position is $130,000+ annually, with final compensation based on experience, qualifications, certifications, and overall fit for the role.