- Chenega Corporation (Arlington, VA)
- **Req ID:** 37933 **Summary** ** Firewall Administrator ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly evolving ... cutting-edge technology and take your career to the next level! The ** Firewall Administrator ** is responsible for designing, implementing, and maintaining secure… more
- Lumen (Washington, DC)
- …one or more of the following services: Federal government (MTIPS, DHS), Managed firewall , IDPS, and incident response. **Location** This is a remote position open to ... multiple support groups in multiple data centers. + Managed firewall - expertise with all aspects of firewall...Event Manager) application is desired - ArcSight or Splunk administrator experience/exposure is a plus. Ability to develop and… more
- General Dynamics Information Technology (Fort Belvoir, VA)
- …related experience **US Citizenship Required:** Yes **Job Description:** **SharePoint Administrator Expert (SME) - TS/SCI required** Make meaningful contributions ... most complex government, defense, and intelligence projects. Join GDIT as a **SharePoint Administrator Expert (SME)** with for a career where your growth is just as… more
- General Dynamics Information Technology (Springfield, VA)
- …Deliver innovative, simple solutions to complex problems as a Linux/UNIX Systems Administrator at GDIT. Here, you'll tailor cutting-edge solutions to the unique ... GDIT, people are our differentiator. As a Linux/UNIX Systems Administrator - Geospatial Systems , you will help ensure...and Cloud Technologies + LAN and WAN technologies + Firewall technologies + DMZ Architectures + Enterprise class storage,… more
- Leidos (Chantilly, VA)
- **Description** Leidos is seeking a Mid-level Forward Deployed Network Administrator to join our Network Engineering Team within the Engineering Operations group at ... resets, activations, and break/fix baseline problems. + Analyze syslogs, perform firewall ACL modifications, route tracing, and interface status monitoring on Cisco… more
- General Dynamics Information Technology (Quantico, VA)
- …Yes **Job Description:** Transform technology into opportunity as a **SharePoint Administrator ** at GDIT. Shape what's next for mission-critical government projects ... States Navy and Marine Corps. **MEANINGFUL WORK AND PERSONAL IMPACT** As a **SharePoint Administrator ** , the work you'll do at GDIT will be impactful to the mission… more
- Leidos (Arlington, VA)
- …within Leidos' Defense Group is seeking a **Network Operations Center (NOC) Administrator ** to provide coverage monitor tools and availability of the Compartmented ... connection. + VLAN configurations + Network trouble shooting. + Basic Firewall troubleshooting and configuration + Basic ISE/TACACs troubleshooting and configuration… more
- SAIC (Washington, DC)
- **Description** Seeking a Systems Administrator to support a large federal government agency. Employee will perform on-site, at a secure government location on one ... Information Support Server Environment (ISSE) 3.x/4.x. + General switch, router, and firewall management. + Network and Host Vulnerability Assessment / Mitigation. +… more
- M. C. Dean (District Of Columbia, DC)
- Overview MC Dean is seeking a highly skilled **Cybersecurity System Administrator ** to support a secure operational technology environment by integrating advanced ... VMware + Cybersecurity frameworks: RMF, NIST SP 800-53, FISMA + Security monitoring, firewall , and encryption toolsets. + 3+ Years of Experience with a Master's… more
- Parsons Corporation (Centreville, VA)
- …what's possible. **Job Description:** Parsons is seeking a mid-level **Linux Systems Administrator ** . The candidate will support both Linux based workstations and ... Linux services + Understanding of basic networking technologies (TCP/IP, UDP, Firewall ) **Desired Skills:** + Familiar with virtualization and Docker technologies +… more
- Shuvel Digital (Vienna, VA)
- Description: We are looking for a Mid level Systems Administrator /Engineer that can come in to take ownership of day-to-day operations. You will partner with ... and control processes are required + Strong knowledge of network, firewall , routing, switching, load balancing, and proxy principles and troubleshooting related… more
- General Dynamics Information Technology (Falls Church, VA)
- …the basis for IT Service Management (ITSM) model. **HOW A SENIOR LINUX ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for Linux ... and scripts. + Implement, configure, update, and maintain the Linux operating system firewall . + Experience in handling NFS, CIFS, and SMB permissions. **WHAT YOU'LL… more
- Spectrum Comm Inc (Falls Church, VA)
- The Senior Network Administrator manages and maintains the headquarters' network infrastructure, ensuring high availability, performance, and security. This position ... oversees routing, switching, firewall configuration, and supports network-related projects. Key Responsibilities + Configure and manage routers, switches, firewalls,… more
- General Dynamics Information Technology (Fairfax, VA)
- …network protection activities using Microsoft Sentinel, Defender, Purview, and Azure Firewall to protect mission-critical healthcare systems and data. **This role is ... Network & Infrastructure Security + Configure, monitor, and maintain Azure Firewall , Network Security Groups (NSGs), Private Endpoints, and Application Gateway WAF… more
- Arena Technical Resources, LLC (Springfield, VA)
- …Job Description: The Systems Engineering team is seeking a driven Senior Systems Administrator that is highly technical and mission focused. This ideal candidate is ... ready to operate as aTIER 3 level Linux Administrator , experienced in managing large amounts of data and...and Cloud Technologies - LAN and WAN technologies - Firewall technologies - DMZ Architectures - Enterprise class storage,… more
- M. C. Dean (District Of Columbia, DC)
- …analyzes, performance tunes, and make recommendations to optimize network + Manages firewall security appliances + Keeps the Division abreast of emerging network ... etc) + ITIL 4 Foundation + Microsoft Certified: Windows Server Hybrid Administrator Associate + Microsoft Certified: Azure Database Administrator Associate +… more
- TekSynap (Fort Belvoir, VA)
- …Multicast VPN, Quality of Service, VPN Routing and Forwarding and Stateless Firewall Filters. + Develop required specifications for simple to moderately complex ... and termination of employment. **Job Locations** _US-VA-Fort Belvoir | US-HI-Pearl Harbor_ **ID** _2025-8031_ **Category** _Network Administrator /Engineer/Architecture_ **Type** _Regular… more
- General Dynamics Information Technology (Fairfax, VA)
- …CompTIA Project+ | CompTIA - CompTIA, CrowdStrike Certified Falcon Administrator (CCFA) | CrowdStrike - CrowdStrike, Microsoft Certified: Azure Fundamentals ... Zscaler. + Strong understanding of networking, DNS, Load-Balancers, Application Gateways, firewall rules, network security groups (NSG) and Web Application Firewalls… more
- General Dynamics Information Technology (Fairfax, VA)
- …including: + Networking: VNets, Subnets, NSGs, Private Endpoints, Azure Firewall , Application Gateway + Security: Sentinel, Defender, Purview, Policy, RBAC, ... + Microsoft Certified: DevOps Engineer Expert (strongly preferred). + Azure Administrator Associate or Azure Solutions Architect Expert. + Experience integrating… more
- SAIC (Washington, DC)
- …technologies such as EDR, DLP, secure web gateway, email security, IDPS, firewall , SIEM, and identity protection tools + Integrate security solutions with Microsoft ... Defender, and Intune + Relevant certifications such as Zscaler Certified Administrator , Security+, CySA+, GSEC, Microsoft SC-300, CCNP Security, PCNSE, or Splunk… more