Senior Network & Security Engineer — Remote, Zero-Trust

Ad Hoc LLC; Silver Spring (MD); On-site; USD 153,000 - 187,000; Full time

Benefits offered by this job

Company-subsidized health, dental, and

Vision insurance

Flexible PTO

401K with employer match

Paid parental leave

Employee Assistance Program

Job summary

Ad Hoc LLC is a technology company powering government digital services and offering a remote work lifestyle. The Senior Network/Security Engineer will design and secure the DXP network, manage firewall, proxy, and DLP components, and ensure compliance with federal standards.

Expect work on SIEM, PCRE, and packet-level analysis across nationwide teams. You will collaborate with Federal Civilian clients to implement secure, scalable infrastructure, improve visibility with Splunk/ELK, and maintain

Qualifications

• Experience with Palo Alto, panorama OS (PAN-OS), Firewalls, SIEM, Security Configuration Management (SCM)
• Configure and manage enterprise web proxy; policy changes and packet-level diagnosis
• Design secure network infrastructure enforcing Zero Trust for DXP
• Ensure 100% IRS/NIST boundary protection compliance

Responsibilities

• Operate and engineer enterprise web proxy; implement reliable policy changes
• Configure Network ACLs, firewalls, and security groups
• Design secure network infrastructure with Zero Trust for DXP
• Ensure compliance with IRS/NIST boundary protection standards
• Proxy engineering: forward/reverse proxies, SSL/TLS inspection, bypass strategies
• Layer 3 and Internet fundamentals: routing, NAT, DNS, VRFs
• PCRE: write/ review complex patterns for performance
• Troubleshooting: packets and analytics; log correlation at scale

Skills

Palo Alto

PAN-OS

SIEM

RBAC

DLP

PCRE

tcpdump

Wireshark

Tools

Splunk

ELK

Job description

Ad Hoc LLC is a technology company powering government digital services and offering a remote work lifestyle. The Senior Network/Security Engineer will design and secure the DXP network, manage firewall, proxy, and DLP components, and ensure compliance with federal standards.

Expect work on SIEM, PCRE, and packet-level analysis across nationwide teams. You will collaborate with Federal Civilian clients to implement secure, scalable infrastructure, improve visibility with Splunk/ELK, and maintain