- Marriott (Bethesda, MD)
- …Databases + Operating systems - Windows, Unix, and Linux + IP networks - WAN and LAN + Backup networks and media + Containers/Kubernetes and microservices + ... Cryptography and current cryptographic standards, including PKI + Direct, hands-on experience or a strong working knowledge of vulnerability management tools + Working knowledge of the OWASP Top 10 Preferred: + Strong working knowledge of IT service management… more
- CACI International (Aberdeen Proving Ground, MD)
- …+ Experience with SQL and NoSQL databases. + Networking skills that include WAN 's, LAN's, routers and switches for troubleshooting. + Hands on experience of server ... rack integration. + Experience working with end users for Tier III support. + Cloud Services and virtualization. + Operational experience in SIGINT. + Understanding of Army baselines. This position is contingent on funding and may not be filled immediately.… more
- Kaizen Approach, Inc (Linthicum, MD)
- …related issues + Good communication and writing skills + Familiarity with LAN/ WAN terminologies + Familiarity with basic hardware terminologies + Ability to respond ... to mission critical needs on an on-call basis (10%) + High School diploma or GED + Active TS/SCI clearance with Polygraph Highly Preferred: + Familiarity with COTS and GOTS applications + Experience providing Tier 1 or Tier 2 Help Desk support + Experience… more
- …Install, configure, and support an organization's local area network (LAN), wide area network ( WAN ), and Internet systems or a segment of a network system. - Monitor ... network to ensure network availability to all system users and may perform necessary maintenance to support network availability. - May monitor and test Web site performance to ensure Web sites operate correctly and without interruption. - May assist in… more
- Arena Technical Resources, LLC (Silver Spring, MD)
- …of Linux and Windows systems - Troubleshoot firewall and network policies (LAN, WAN , VPN) - Review system error logs and user-reported errors - Manage user ... access and maintain server architecture security - Support staff and back-end system users and developers - Create and monitor system backups - Create and troubleshoot shell scripts - Create and monitor automation scripts - Work with relational databases to… more
- World Wide Technology (Aberdeen, MD)
- …solutions + Expert understanding of networking in the areas of LAN, WAN , TCP/UDP, IPSec, VPN, proxies, routing (L2/L3), firewalls and software defined networking ... + Experience implementing dual-stack networking to use both IPv4 and IPv6 addresses simultaneously + Understanding of Federal Government application, server, and network security requirements such as NIST, FedRAMP, and FISMA + Ability to work effectively… more
- Vexterra Group (Bethesda, MD)
- …Network (LAN) environments. + Demonstrated experience working in Wide Area Network ( WAN ) environments. + Demonstrated experience working with TCP IP protocol suite, ... IP subnets and masking, and routing protocols. + Demonstrated experience explaining protocols, technical procedures and processes clearly and accurately to both technical and non-technical audiences. + Demonstrated experience developing network designs within… more
- General Dynamics Information Technology (Rockville, MD)
- …scripts + Azure NSGs + PCAP analysis via Wireshark + LAN/ WAN /Wireless networking + TLS certification renewals/installs + Riverbed/Splunk troubleshooting **Required ... Skills and Abilities:** + Experience as a team lead or manager + Experience with change management processes and best practices + Ability to work after hours and weekends on-site as needed **Location:** On customer site at Rockville, MD, USA **GDIT IS YOUR… more
- Huntington Ingalls Industries (Fort Meade, MD)
- …the front. Essential Job Responsibilities + Design, configure, and maintain LAN/ WAN infrastructure, including SIPRNet and NIPRNet domains + Manage network hardware ... (Cisco, Juniper), authentication servers, and VoIP systems + Implement and maintain network security protocols, STIGs, and TCNO patches + Troubleshoot and resolve complex network issues in classified environments + Support C4I infrastructure, including… more
- Leidos (Odenton, MD)
- …firewalls, and boundary protection + Understanding of network architectures, LAN/ WAN , TCP/IP, routing, and switching + Strong understanding of 8551.01, ... DISA security policies, and compliance monitoring + Excellent written and verbal communication for technical documentation and stakeholder engagement **Original Posting:** July 8, 2025 For US Positions: While subject to change based on business needs, Leidos… more