June 24, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. You will be working closely with our Cloud Architect, Solution Architects, Systems Engineers, Software Engineers, and Operations Engineering/Manager as well as Government counterparts to perform and manage our cloud solution, cloud computing strategy and all associated documentation.
If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. May 21, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
li>Experience with Microsoft Windows Systems, specifically: Microsoft Windows 2008/2012/2016/2019 Servers; Microsoft Windows 10; administering Microsoft Exchange, Active Directory, and workstation and server hardware; administering Microsoft Office 2010/2016; administering DNS, Group Policy, and PKI; administering vSphere, Horizon View, data backup, and antivirus software; basic networking including DHCP/TCPIP.
Providing Tier II IT Systems support on a wide range of technologies, including VMware vCenter, Horizon View, Site Recovery Manager, SolarWinds, Cisco Catalyst Center (DNAC), GEMOne, HP SANs, Certificate Services, DHCP, DNS, Active Directory, Group Policies and Microsoft Windows Operating Systems.
The engineer will collaborate with cross‑functional teams-including internal leadership, engineering peers, operations staff, and external partners-to define project scope, develop detailed work plans, produce technical documentation, and ensure successful implementation of network and cybersecurity solutions. Working knowledge of network control protocols (QOS, PfR, PoE, NTP, DHCP), network management protocols (CDP, FTP, TFTP, SNMP), and security protocols (SSH, HTTPS, AAA, IPSec).
Ashburn, Virginia10 days ago
This role is responsible for leading the design, implementation, and sustainment of secure, enterprise network architectures built on Cisco technologies and aligned with Zero Trust principles. - Implement and sustain network security controls aligned with NIST SP 800-53 and Zero Trust Architecture (NIST SP 800-207).
Ashburn, Virginia10 days ago
p>POSITION OVERVIEW:IMRI is seeking a skilled and mission-driven Network Engineer to support a secure, enterprise-scale Cisco networking environment within a federal setting. The ideal candidate brings hands-on expertise in network engineering, security, and operations, along with a strong understanding of compliance frameworks and secure infrastructure design.
Springfield, VA30+ days ago
p>Country Code+1+1242+1246+1264+1268+1284+1340+1441+1473+1649+1664+1670+1671+1684+1758+1767+1784+1849+1868+1869+1876+1939+20+211+212+213+216+218+220+221+222+223+224+225+226+227+228+229+230+231+232+233+234+235+236+237+238+239+240+241+242+243+244+245+248+249+250+251+252+253+254+255+256+257+258+261+262+264+265+266+267+268+269+27+290+291+297+298+299+30+31+32+33+34+345+350+351+352+353+354+355+356+357+358+359+36+370+371+372+373+374+375+376+377+378+379+380+381+382+385+386+387+389+39+40+41+420+421+423+43+44+45+46+47+48+49+500+501+502+503+504+505+506+507+508+509+51+52+53+54+55+56+57+58+590+591+593+594+595+596+597+598+599+60+61+62+63+64+65+66+670+672+673+674+675+676+677+678+679+680+681+682+683+685+686+687+688+689+690+692+7+77+81+82+84+850+852+853+855+856+86+872+880+886+90+91+92+93+94+95+960+961+962+963+964+965+966+967+968+970+971+972+973+974+975+976+977+98+992+993+994+995+996+998Phone Number. Job CategorySelect a Job CategoryB2B SalesBilingualCall CenterCorporateCustomer ServiceCybersecurityData and AnalyticsDeveloperEarly Careers & InternshipsExternal Affairs & RegulatoryField SalesFinanceGovernment SupportHuman ResourcesInstallation TechnicianInternshipsLegalMarketing & Public RelationsPart TimeRetailSalesSecurity ClearanceSupply ChainTechnicianTechnologyWork From Home.
li>Determines specifications for and manages the cost analysis, purchase, testing, installation, support, and quality assurance review of network communications, including LAN/MAN/WAN systems and platforms.
CDW is committed to providing a secure and transparent hiring experience, and will never ask for payments, personal financial details, or make offers without a formal interview; official communications will always come from @cdw.com or our secure career portal.
p>A Cisco Call Manager Engineer also known as a Cisco Unified Communications Manager Engineer is responsible for designing developing and implementing network and telecommunications infrastructure according to the needs of their organization. CDW is committed to providing a secure and transparent hiring experience and will never ask for payments personal financial details or make offers without a formal interview official communications will always come from cdw.com or our secure career portal.
Arlington, Virginia22 days ago
Overview: AMERICAN SYSTEMS, a 100% employee-owned company, is seeking a Lead Network Engineer to support secure network operations in a highly classified environment in Arlington, VA.
We’re looking for someone with strong hands-on experience in Cisco ISE, Cisco Firepower, and enterprise network security to make a direct impact on a critical national security mission.
We're looking for someone with strong hands-on experience in Cisco ISE, Cisco Firepower, and enterprise network security to make a direct impact on a critical national security mission. AMERICAN SYSTEMS, a 100% employee-owned company, is seeking a Lead Network Engineer to support secure network operations in a highly classified environment in Arlington, VA.
Dulles, Virginia30+ days ago
div class="ewa-rteLine">Preferred Education, Experience, & Skills:
• Expertise in SIP signaling, call flows, and multi-vendor integration. • Support secure communications devices and infrastructure, including VoIP phones, STEs, Viper phones, encryption devices, POTs/ISDN/leased lines, conference bridges, and call management servers.
Reston, Virginia30+ days ago
strong>Company: Emergent Technologies Inc.
Emergent Technologies Inc., a veteran-owned provider of cutting-edge IT and engineering solutions, is seeking a highly experienced
Network Engineer (SME Level) with deep expertise in
Network Access Control (NAC) and
CISCO network appliances.
If you're a senior-level network engineer with deep NAC expertise looking to lead critical infrastructure security efforts, apply now to join Emergent Technologies Inc. in Herndon, VA.
.
Washington, Washington, DC12 days ago
strong>All Native Group is seeking a highly qualified Senior level Cisco Unified Communications (CUCM) Engineer to design, implement and provide maintenance and support of enterprise-level voice solutions including Call Manager, Unity Connection, Emergency Responder and VoIP endpoints. As a tribally owned organization, All Native Group operates multiple subsidiary businesses, providing clients with the advantages of working with a small business while leveraging the resources and expertise of a larger, established company.
Working with Stakeholders to clearly define the business requirements as it pertains to Enterprise network products and services to include the following: Network Design and Implementation: Experience supporting WAN capacity & performance management, including baseline data gathering, data analysis, threshold determination and overall service validation.
Fort Belvoir, VA30+ days ago
Will analyze site survey reports, recommend network modernization upgrades, craft network architectures, and assist operations leads in creating deployment plans and executing capability roll outs. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
li>Support secure communications devices and infrastructure, including VoIP phones, STEs, Viper phones, encryption devices, POTs/ISDN/leased lines, conference bridges, and call management servers. This role focuses on designing, deploying, securing, and sustaining enterprise level Cisco Unified Communications solutions across a complex, highly secure environment.
Emergent Technologies Inc., a veteran-owned provider of cutting-edge IT and engineering solutions, is seeking a highly experienced Network Engineer (SME Level) with deep expertise in Network Access Control (NAC) and CISCO network appliances. If you're a senior-level network engineer with deep NAC expertise looking to lead critical infrastructure security efforts, apply now to join Emergent Technologies Inc. in Herndon, VA.
This senior technical leader will own the architecture and authorship of Cisco centric (and Aruba supported) wired/wireless network, VoIP, and mobility offerings in enterprise and tactical environments, and will also provide hands on leadership during implementation, transition, and sustainment activities. For solicitation bid activities, personally architect and author technically winning network infrastructure offerings; analyze complex network engineering problems; and provide engineering direction for highly advanced, implementable DoD compliant solutions.
Chantilly, VA30+ days ago
p>The Opportunity: CACI is looking for a Cisco Call Manager Administrator responsible for the day-to-day administration, configuration, and maintenance of the organization's Cisco Unified Communications Manager (CUCM) environment. You will work closely with the engineering team, IT staff, and other external stakeholders to ensure the effective operation of the call managers at various locations and their integration into the organizations infrastructure.
Washington, DC15 days ago
A benefits summary is available from this link: https://jobs.allnativegroup.com/categories/1/benefits/1/employee-benefits.. Summary: Seeking a highly qualified Senior level Cisco Unified Communications Manager (CUCM) engineer to design, implement and provide maintenance and support of enterprise-level voice solutions including Call Manager, Unity Connection, Emergency Responder and VoIP endpoints.
Chantilly, Virginia23 days ago
div class="col col-xs-7 description" id="job-description">We are seeking an experienced Cisco Call Manager Administrator to support the administration, configuration, maintenance, and optimization of our Cisco Unified Communications Manager (CUCM) environment supporting Department of Defense operations.
- Minimum 10 years of relevant experience in Cisco Unified Communications, VoIP administration, or enterprise voice systems.
- Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field may substitute for five (5) years of experience.
Strong analytical and problem-solving skills; demonstrated ability to analyze complex situations, determine course of action and act promptly and effectively when problems arise. This individual will work within a small, mission focused team of network and systems engineers to implement technical solutions addressing challenging collaboration and data protection problems.
Washington, Washington, DC30+ days ago
ul style="margin: 0px; padding: 0px; font-family: verdana;">Disability, Life Insurance, and AD&D . - Tuition and Technical Training Reimbursement .
Arlington, VA30+ days ago
The ideal candidate will bring deep technical expertise across AV/VTC system design, networking integration, system programming, and end-user training, supporting environments ranging from small conference rooms to enterprise-level installations. This on-site role requires an active DoD Secret clearance and is responsible for the design, integration, implementation, and sustainment of advanced Audio-Visual (AV) and Video Teleconferencing (VTC) systems.
The Senior Network Engineer should have extensive experience in the design, implementation, and support of complex data and voice networks, provisioning and troubleshooting wide area services, diagnosing and resolving equipment configuration and network problems, monitoring network faults and performance, and supporting cabling infrastructures to support voice and data. Senior network engineering support to include advanced data design, upgrades, troubleshooting, and Level 3 operational support for the campus and wide area networks.
Herndon, Virginia26 days ago
Responsibilities:
We are seeking a talented and experienced Network Engineer with a specialized focus on Firewalls, particularly with expertise in CISCO, Palo Alto, and Netscaler firewall network devices and associated management software to join our technology-based program supporting a key Government customer. Overview:
Network Engineer
Herndon, VA
TS/SCI with Poly
At Bcore, our strength comes from how we deliver impact to the mission.
Washington, DC15 days ago
Operate and Maintain a Cisco Software Defined Access Solution.
• Analyze network topologies and traffic and capacity requirements
• Assist/lead the creation of technical manuals, operating procedures and other support documentation
• Provide Tier 3 technical support and troubleshooting for client/user support
• Perform server and virtual network administration duties to maintain operations
• Assist with site surveys, collecting requirements, and planning wireless deployments
• Participate in occasional travel as required for installations and support.
• Summary:
All Native Group (ANG) is seeking a well-qualified Enterprise Wireless Network Engineer with experience in Cisco Software Defined Networking (SDN) to support a Wireless to support a Wireless Implementation and Support contract in Washington DC.
The Wireless Network Engineer is expected to be a business professional with experience in Cisco WLAN technology platforms.
Arlington, Virginia10 days ago
li>Experience designing, supporting, and troubleshooting high-bandwidth, low-latency multi-site networks, including Cisco routing/switching, Cisco ISE, firewalls, VPNs, optical transport, and high-capacity data circuits (Juniper and Ciena experience strongly valued). Responsibilities: As a LeadNetwork Engineer working for AMERICAN SYSTEMS in a high-performance computing environment, you will:
- Architect and engineer high-bandwidth, low-latency inter-site network solutions connecting geographically dispersed HPC sites.
p>Must have at least 5 years of experience with configuring Cisco IOS and/or Cisco NX-OS in a datacenter environment including experience configuring VLANs, Routing, and security settings. Seeking an experienced Network Engineer that will be responsible for managing and maintaining the organization's complex and secure network infrastructure.
Our engineers work to collect, process, and feed analytic tools, turning data into intelligence in response to immediate mission needs, with direct impact on real world situations. Work on this program takes place in McLean, VA and in various field offices throughout Northern VA (we cannot support remote work) and requires a TS/SCI + Polygraph clearance (acceptable to this customer).
This individual will play a key role in ensuring network security, performance, reliability, and scalability while supporting modernization and compliance initiatives.
Key Responsibilities- Support enterprise network security operations across Palo Alto environments. The ideal candidate will bring deep expertise in Palo Alto technologies, firewall administration, network segmentation, and infrastructure security operations.
li> Demonstrated knowledge of cloud networking and routing to include VPCs, subnetting, security groups, route tables, peering connections, direct connect direct connect gateway, IPv4, IPv6, dynamic routing, network performance monitoring, vpn, firewall, route53, MTIPS, and IPSEC. What Would Be Nice to Have :- Professional certifications related to cloud networking, such as AWS Certified Advanced Networking - Specialty, Google Cloud Certified - Network Engineer, or Microsoft Certified: Azure Network Engineer Associate.
li>Have in-depth knowledge of Cisco's Unified Communication Product line such as Unified Communications Product line such as Unified Communications Manager, Unity Connection and collaboration applications, feature and services (e.g. Our reputation rests on the technical expertise and dedication of our employees-25,000 people working together across disciplines and time zones to provide smart, sustainable solutions for challenging projects.
This position will be responsible for managing the configuration, installation and on-going support of the Network Infrastructure which includes Palo Alto firewalls, Cisco VPN Concentrators, Cisco CSR devices as well as Networking in cloud platforms such as Azure and OCI. T-Rex offers both IT and professional services to numerous Federal agencies and is a leader in providing high quality and innovative solutions in the areas of Cloud and Infrastructure Services, Cyber Security, and Big Data Engineering.
Sterling, Virginia30+ days ago
p/>Nightwing is seeking a cleared and experienced Network Engineer in the Herndon VA area to work as part of a collaborative, multidiscipline team in support of U.S. Government and provide technical subject matter expertise in the field of network engineering and communications modeling. Creates simulated networks to test applications over low bandwidth links, troubleshoots network connectivity issues, and install/configure wide area link utilizing radio frequency (RF) communications (i.e. over satellite, cell, and microwave).
Chantilly, VA30+ days ago
This is a unique and rare opportunity to build and transition critical operations to a modern service provider network architecture.The Network Storage Engineer - Senior provides senior-level administration and engineering support for SAN fabric infrastructure and core network connectivity supporting the SEC ISS environment. This role is responsible for maintaining reliable, secure, and high-performing SAN network operations across enterprise data center services and storage-dependent platforms.
Staffing-matrix minimum technical prerequisites: Cisco MDS and Cisco Nexus administration; SAN fabric configuration, deployment, and maintenance; SAN connectivity and performance troubleshooting. The Network Storage Engineer - Senior provides senior-level administration and engineering support for SAN fabric infrastructure and core network connectivity supporting the SEC ISS environment.
Required Technical Skills and Knowledge: Expert-level, hands-on expertise in managing the full Cisco Meraki suite (MX Security Appliances, MS Switches, MR Access Points). Demonstrated mastery of Microsoft Azure networking, including VNets, subnets, peering, NSGs, Azure Firewall, VPN Gateway configuration, and ExpressRoute/Direct Connect.
Work directly or indirectly with NASA customers, Technicians, Network Engineers and/or Network Architects to execute network design changes or modifications of the NASA network infrastructure, as well as identify, analyze, and resolve issues for customer impacting events that may be escalated to Engineering. Leidos is seeking a highly skilled and experienced Network Engineer III to support the Advanced Enterprise Global Information Technology Solutions (AEGIS) program and join a large Engineering team entrusted with evolving and sustaining the NASA OCIO Enterprise Corporate network.
Springfield, VA30+ days ago
Required Education & Experience: BA degree in a computer science/computer engineering related discipline and 5+ years of IT security/network engineering support experience (Engineering, Tier II, Tier III, network infrastructure implementation and maintenance); may accept additional years of experience in lieu of degree. Responsibilities include: Works directly with the customer to build, design, test and deploy network management systems for monitoring and management of a network comprised of Cisco routers/switches and Microsoft servers and workstations.