> Markdown version of [/jobs/ext/737286-network-engineer-ts-sci-with-full-scope-poly](https://www.wearedevelopers.com/jobs/ext/737286-network-engineer-ts-sci-with-full-scope-poly). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # NETWORK ENGINEER: TS/SCI with Full Scope Poly - **Company:** Inferno Systems - **Location:** Chantilly, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** IEEE 802.1X, Amazon Web Services, Confluence, JIRA, Microsoft Azure, Bash Shell, Border Gateway Protocol, Cisco Routers, Cyber Security, Computer Networks, System Configuration, Wavelength-Division Multiplexing, Data Centers, Deep Packet Inspection, Linux, Enhanced Interior Gateway Routing Protocol, Networking Hardware, Intrusion Detection Systems, Virtual Private Networks (VPN), Multi-protocol Systems, Kernel-Based Virtual Machine, Network Security, Transport Layer, Lightweight Directory Access Protocols (LDAP), Log Files, NetFlow, Network Architecture, Network Control, Network Connections, Network Monitoring, Routing, Nmap, Open Shortest Path First (OSPF), Remote Access Technology, Security Information and Event Management, Data Streaming, Terminal Access Controller Access-Control System (TACACS), Traffic Analysis, Virtualization Technology, VMware VSphere, Wide Area Networks, Data Logging, Scripting, Firewalls (Computer Science), Selinux, Metasploit, Iptables, Cybercrime, Burpsuite, Splunk, Cisco - **Published:** June 29, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9001258/network-engineer-tssci-with-full-scope-poly ## About the Role We are looking for network engineers who can independently run projects from inception to completion, including gathering requirements, design, implement, test and documentation. You should have experience managing the end-to-end lifecycle of new remote site deployments, including hardware procurement and circuit provisioning to advanced VPN technologies and LAN management., * Experiencing installing, configuring and maintaining Cisco routers and switches. * Experience with setting up and configuring VPNs and firewalls. * Designing and deploying LAN or WAN networks in an isolated environment. * Experience with BGP, OSPF, and/or EIGRP. * Comprehensive understanding of transport layer (DWDM, MPLS, SD-WAN) and data center fabrics, SNMPv3 and netflow * Experience with Cisco Identity Services (ISE) / NAC, 802.1x and TACACS. * Understanding of data center east/west and north/south data flows. * Experience with Deep Packet Inspection (DPI) technologies, SSL/TLS, URL filtering, IPSs and iptables * Zone-Based Firewalls (ZBFW), Control Plane Policing (CoPP) and sophisticated ACLs * User-based security (user-ID) to create granular policies integrated with AD and LDAP * Experience with workstation agents, Endpoint Detection and Response (EPR) and Extended Endpoint Detection and Response (XDR) * Experience with Splunk or similar SIEM for traffic analysis, custom dashboards and threat hunting. * Managing critical incident response during outages. * Experience with cloud provider virtual security appliances and networking, including AWS, Azure and GDC. * Managing licences using SSM . * Understanding of high-availability concepts and software. * Experience with ticketing and collaboration systems such as Confluence and Jira. * Familiarity with cybersecurity best practices. * Experience with security monitoring and logging tools, netflow and triage using wireshark and/or tcpdump * Understanding of end-to-end data flows within data centers, between servers and between clients. DESIRED SKILLS: * Cisco certifications such as the CCNA or CCNP * Bash and/or Python scripting experience. * Familiarity with IDS and IPS systems * Familiarity with virtualization platforms such as vSphere, KVM, etc. * Understanding of Linux network security tools (e.g., Metasploit, Netcat, Nmap, iptables, BurpSuite, IDS, SELinux, etc.). * Experience performing analysis of log files from a variety of sources, to include individual host logs, network traffic logs, firewall logs and IPS logs. * Demonstrated knowledge of information security discipline via industry certification such as: OSCP, CCSP, CISSP, SSCP, GIAC (Security Track). * Experience conducting incident response to include: research and identification of attack vector, malware mitigation and removal and documentation of the event. * Motivated self-starter with an analytical focus, problem solving skills, time management skills and a passion for computer, network, or cyber security. * Actively seeks to enhance the group through knowledge sharing. ## Description Inferno Systems is looking for senior Network Engineers who can manage and secure complex, large scale networks with a strong background in network architecture, engineering and security., You will be responsible for installations and upgrades and will design and configure network connections, paths, routing and security controls. You will maintain network hardware and software as well as monitor network systems to ensure availability. You will support, design and document factory testing and integration of new network devices and infrastructure. You will support existing and assist with designing new IP / MPLS and LAN/WAN infrastructure. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)