Network Engineer

About Saliense

Saliense is a leading technology solutions provider specializing in Cybersecurity, Engineering, and Modernization. We deliver scalable, tangible solutions that empower federal, state, and local government agencies to address complex challenges and stay ahead in a rapidly evolving digital landscape. With a commitment to excellence, ethical practices, and a culture of growth and innovation, Saliense has been recognized on the Inc. 5000 list for six consecutive years, reflecting our sustained progress and impact.

At Saliense, we foster a culture of continuous learning and professional growth. Our employees are encouraged to take on challenging and meaningful work, with ample opportunities for career advancement.

• 20 Days PTO + 40 Hours of Paid Sick & Safe Time
• 11 Federal Holidays + 2 Corporate Holidays
• Health, Vision, Dental, and Life Insurance
• 401(k) with Tiered Match & 100% Vesting
• Parental Leave for Birthing and Non‑Birthing Parents
• Professional Development Reimbursement Program

We are seeking a talented Network Engineer to join our team in Arlington, VA. The ideal candidate will have experience with Cisco networking equipment, possess a strong work ethic, and be able to troubleshoot network issues and ensure smooth operations.

Must come onsite 5 days per week in Arlington, VA. Requires a Secret clearance to be obtained.

• LAN infrastructure support: staging, installation, and maintenance of Cisco Nexus and Catalyst switches, and Aruba wireless controllers. Familiar with copper, fiber optics, and wireless connectivity.
• WAN support: providing support for Border Gateway Protocol (BGP) neighbor configurations.
• Cloud architecture support: for AWS services (IAM, VPC, S3, EC2, etc.) to support operational network architectures.
• Security policy configuration: managing security features on Palo Alto firewalls, including App‑, User‑, Global Protect, Wildfire, NAT policies, and security profiles.
• Authentication and access management: configuring and managing AAA architecture using Radius for Cisco, Aruba, and Palo Alto platforms.
• Configuration of PKI authentication and PKI certificate management.
• Network troubleshooting: troubleshooting issues related to TCP/UDP, IPv4/IPv6 subnetting, access lists, and connectivity on Cisco and Palo Alto devices.
• Performance monitoring: using tools like Solar Winds to monitor network performance and test network capabilities.
• Experience in Cisco data center deployment, including Cisco Nexus.
• Familiar with network protocols including TCP/IP, UDP, DHCP, TFTP, SCP/SSH.
• Documentation and compliance: creating and maintaining detailed network documentation and adhering to yearly STIG policies.
• Hardware and software upgrades: implementing new network equipment and software upgrades.
• Asset management: maintaining an inventory of network components and related documentation.
• Proficient knowledge of Layer 2 switching protocols including LLDP, STP, VTP, VLAN, LACP, 802.1q.
• Ticket resolution: handling and resolving support tickets using the Service Now platform.

• Five (5) years of relevant experience.
• Experience developing, maintaining, and supporting technical infrastructure, hardware, and system software components for mid‑to‑large sized projects.
• Experience determining and developing approaches to solutions; performing installation, maintenance, and support of system software/hardware and providing user support.
• Experience identifying key barriers/core problems and applying problem‑solving skills in complex situations.
• Experience troubleshooting and resolving complex problems; making decisions under uncertainty with incomplete information.
• Experience performing engineering and roll‑out implementation, configuration, debugging, and support for multiple platforms.
• Experience monitoring and tuning platforms to ensure expected availability and performance levels.
• Hands‑on experience designing and supporting AWS environments and utilizing the AWS administrator portal.
• Experience with AWS services and technologies such as IAM, VPC, S3, EC2, Cloud Watch, Cloud Trail, Route 53, RDS, SSM, Elastic Search, and Lambda.

• IAT Level II
• CCNA or another Cisco Certification

• Mid‑Senior level

• Part‑time

• Information Technology

• IT Services and IT Consulting