Junior/Mid-Level Network Engineer

We are seeking an experienced Network Engineer to join our security-focused infrastructure team. The ideal candidate will independently manage complex routing and switching environments across multiple network enclaves, maintain compliance with federal security standards, and serve as a technical resource for day-to-day network operations. This position requires full on-site presence and occasional travel to support multi-location network infrastructure.

Key Responsibilities

Network Infrastructure Management

• Design, implement, and maintain enterprise routing and switching solutions across classified and unclassified enclaves

• Troubleshoot complex Layer 2/Layer 3 network issues independently with minimal supervision

• Configure and maintain core, distribution, and access layer switches and routers

• Manage VLANs, OSPF, BGP, EIGRP, STP, and related protocols

• Perform regular network assessments and capacity planning

Security & Compliance

• Ensure all network configurations comply with NIST 800-53 control requirements

• Collaborate with security teams on firewall rule reviews and change management

• Participate in vulnerability remediation and patch management cycles

• Maintain audit-ready documentation for all network changes and configurations

Systems & Storage

• Administer Linux-based systems and troubleshoot OS-level network connectivity issues , * Manage and maintain Network Attached Storage (NAS) devices

• Monitor and optimize storage network performance

Operational Excellence

• Document network architectures, procedures, and troubleshooting guides

• Participate in on-call rotation for after-hours incident response

• Provide Tier 3 escalations support for junior staff

• Evaluate and recommend new technologies and tools

• Minimum 5 years (mid-level) or 2 years (junior level) of hands-on network engineering experience

• Proven ability to work unsupervised on critical infrastructure

• Experience managing multiple network enclaves (classified/unclassified separation)

• Demonstrated track record of independent problem-solving and issue resolution

Preferred Certifications

Subject Matter Preferred Certifications

IAT Level 2 Must meet DoD 8570/8140 baseline (e.g., Security+, GICSP, CCNA Security, SSCP)

Networking CCNA or equivalent vendor-neutral networking certification

Security CompTIA Network+ AND CompTIA Security+

Cloud Associate-level cloud certification (AWS Solutions Architect Associate, Azure Administrator, or Google Cloud Professional)

Note: IAT Level 2 certification may overlap with the Security+ requirement if already held.

Clearances

• Active TS/SCI clearance required (must be able to maintain) ,Technical Skills

• Proficiency with Linux operating systems (RHEL, CentOS, Ubuntu)

• Hands-on experience with enterprise firewalls (Palo Alto, Cisco ASA/Firepower, Fortinet)

• NAS administration and SAN/NAS integration

• Familiarity with NIST 800-53 controls and FISMA compliance frameworks, * Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or equivalent experience

Location & Travel Requirements

• Full on-site presence required at primary location

• Travel up to 25% of time to other facility locations as business needs dictate

• Must be able to obtain/maintain access credentials at all assigned sites

Additional Requirements:

• Must have a valid Driver’s License

• Must have the ability to lift up to 50 pounds without assistance.

Salary Range: $110,000 - $160,000 annually (This salary range reflects both junior and mid-level roles. Final compensation will be based on relevant experience, certifications, education, and

• 401(k) retirement plan with a 3% Company Safe Harbor contribution

• Health insurance with dental and vision

• Health savings account

• Commuter Benefits

• Life insurance

• Paid time off

Join our passionate and dynamic team, where your contributions will have a direct impact on our company’s success. If you are driven, resourceful, and thrive in a fast-paced culture, we encourage you to apply for this exciting opportunity!

Secure Halo, A Mission Critical Partner Company is a dynamic and fast-growing company committed to protecting the intellectual assets and sensitive information of our clients through our proactive and all-encompassing approach to enterprise risk and cybersecurity. Our team members are passionate, dedicated, and thrive in a collaborative environment. We value innovation, creativity, and a roll-up-your-sleeves mentality.