- Northrop Grumman (VA)
- …development to support penetration testing, including vuln dev, R/E tool modules, covert tunneling , scanning scripts, and passive collection + Must have 2 years of ... experience in at least three (3) of the following languages: C, C++, C#, Python, Ruby, Rust, Bourne/Bash, PowerShell, Visual Basic, Go, PHP, Javascript, HTML + Must be willing to travel domestically and internationally (up to 25% per year) + Must have the… more
- Traylor Bros., Inc. (Alexandria, VA)
- …Bros., Inc! Traylor Bros., Inc. (TBI) is one of the most respected and sought-after tunneling firms in a very specialized industry. We are one of the few companies ... that possess the ability to complete the most technically demanding underground projects, whether soft ground or hard rock. Our track record of more than 110 projects and 90-plus miles of bored tunnels speaks for itself. What makes us different? Our Mission is… more
- Parsons Corporation (Chantilly, VA)
- …Structures** **, Internet Protocol Suite/OSI Model,** **Layer 2 Routing and/or Tunneling Protocols,** **Layer 7 Protocols VoIP** **-based Protocols** + **2 years ... of experience with developing and modifying tooling in a Bash environment** + **Knowledge of various network configurations and architectures** **These Qualifications Would be Nice to Have:** + **Network-focused certifications (CCNA, CCNP, etc)** + **TDNA** +… more
- Weeks Marine (Portsmouth, VA)
- …Weeks Marine, Inc, Inc. is one of the largest marine, dredging and tunneling contractors in North America and has successfully completed projects throughout North ... and South America, from inland waterways to offshore sites in the Pacific and the Atlantic. Weeks Marine has three key divisions - Construction, Dredging and Marine Services - which are bolstered by three major subsidiaries, Healy Tibbitts Builders, Inc.,… more
- Leidos (Lorton, VA)
- …of enterprise networking concepts, especially Virtual Private Networks (VPNs), tunneling , QoS, and cloud connectivity solutions (eg Azure Express Route) ... + Experience with Infrastructure as Code (IaC) and security automation. **Original Posting:** July 3, 2025 For US Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least… more
- CACI International (Chantilly, VA)
- …tactics, buffer overflows, fuzzing, SQLi, MiTM, covert channels, secure tunneling and open source exfiltration techniques.** **Bachelors degree in related ... field.** **Active TS/SCI w/polygraph clearance.** This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be… more
- The Metamorphosis Group (Chantilly, VA)
- …11. Demonstrated experience with network security, using IPSEC and Open VPN tunneling . 12. Demonstrated experience maintaining Access Control Lists and zone based ... firewalls. 13. Demonstrated experience with network monitoring tools, such as Whatsup Gold, Solarwinds, etc. 14. Demonstrated experience in Network Administration focused on operational/mission-specific networks. 15. The Contractor shall use the following… more
- Service Source (Oakton, VA)
- …routinely. + Manage all network connectivity to include, VPN ( tunneling and Remote Desktop connections). Make recommendations to improve infrastructure, where ... needed. + Develop project plans for needed changes to infrastructure. + Manage system backups to include verification of backups to testing file restoration and disaster recovery procedures routinely. Research and evaluate new technologies , as needed. +… more