Network Systems Engineer

The most security-conscious organizations trust Telos Corporation to protect their vital IT assets. The reputation of our company rests on the quality of our solutions and the integrity of our people. Explore what you can bring to our solutions in the areas of cyber, cloud and enterprise security. Be a part of the Telos culture and see what sets us apart!

Salary: $80, per year, depending on experience and qualifications. Telos offers an excellent compensation package with benefits that include generous paid time off, medical, dental, vision, tuition reimbursement, and 401k. Our employees enjoy more than just a great work environment! This position will be based in Ashburn, VA.
We are seeking a hands-on Network & Systems Engineer to support infrastructure across on-premises data center and AWS Gov Cloud environments
. This position is ideal for an IT professional who has foundational experience with enterprise networking and systems administration and is looking to expand their skills across networking, Windows Server, virtualization, cloud infrastructure, and cybersecurity. The successful candidate should have strong technical fundamentals, troubleshooting skills, and a willingness to learn. This role will work alongside senior engineers and other technical teams to support, maintain, secure, and improve mission-critical infrastructure.

Candidates are not expected to be experts in every technology listed below, but should be comfortable learning new technologies and progressively taking ownership of technical responsibilities.

• Support the configuration, maintenance, and troubleshooting of Cisco network infrastructure, including switches, routers, VLANs, routing, ACLs, VPNs, and wireless technologies.
• Troubleshoot common network connectivity issues involved in TCP/IP, DNS, DHCP, routing, firewalls, and application communications.
• Assist with connectivity between on-premises infrastructure, AWS Gov Cloud, customers, government partners, and external systems.
• Use network troubleshooting and monitoring tools such as ping, trace route, Power Shell, Netstat, packet captures, Wireshark, and network management platforms.
• Assist with maintaining network configurations, diagrams, inventories, technical documentation, and operational procedures.
• Support installation, replacement, configuration, and troubleshooting of physical network and server equipment.

• Support Microsoft Windows Server environments, including Active Directory, Group Policy, DNS, certificates, permissions, authentication, and Windows services.
• Assist with server builds, configuration, patching, upgrades, vulnerability remediation, system hardening, and lifecycle management.
• Support Microsoft Hyper-V and virtualized server environments.
• Troubleshoot Windows operating system, authentication, application, and infrastructure issues.
• Use Power Shell for system administration, troubleshooting, configuration, and basic automation.
• Assist senior engineers with system upgrades, migrations, deployments, and infrastructure projects.

• Support AWS Gov Cloud infrastructure including EC2, VPCs, subnets, route tables, Security Groups, IAM, S3, Cloud Watch, Cloud Trail, Systems Manager, and related AWS services.
• Assist with troubleshooting connectivity between AWS Gov Cloud and on-premises infrastructure.
• Support Windows and Linux EC2 instances, including patching, monitoring, configuration, and troubleshooting.
• Assist with AWS networking, security configurations, DNS, certificates, and application connectivity.
• Learn and support Infrastructure as Code and automation technologies used to deploy and maintain cloud infrastructure.
• Work with senior engineers to implement infrastructure requirements provided by internal teams, customers, and external partners.

• Assist with infrastructure security, vulnerability remediation, system hardening, patch management, and configuration management.
• Support environments operating under federal cybersecurity and compliance requirements.
• Assist with implementation and validation of security requirements based on standards such as NIST SP 800-53 and DISA STIGs.
• Work with vulnerability management, SIEM/logging, endpoint security, firewall, and network security technologies.
• Review vulnerability findings with senior technical staff and assist with remediation and validation.
• Assist with security assessments, audits, continuous monitoring,…