342 Cisco jobs in Triangle

• Provide high level support for voice issues, working with tier 1 techs to troubleshoot and resolve tickets.
• Follow change management procedures to mitigate production outages.
• Monitor VOIP systems and be proactive of mitigating issues before they become widespread. Implementing and maintains a DR plan.
• Engage in projects and achieve completion in the required timeframe.
• Skills:
• In depth knowledge of Cisco voice products
• 5+ years designing/Implementing/troubleshooting with Cisco Call Manager
• 5+ years working with Cisco Voice Gateways, Analog routers, CUBE's, other Client's
• SIP trunking with 3rd party service providers
• Excellent communication skills
• Ability to work independently and with various IT teams
• Ability to guide and mentor lower tier technicians
• Required to build BOM for replacement equipment
• Create/maintain Microsoft Visios for network diagrams, call flows, Auto Attendants
• Time Management
• Availability to work off hours for upgrades, maintenance, etc

• Bachelor's degree is required.
• CCNP Collaboration is preferred.
• 5+ years Design and Implementing Cisco voice environments.

• Configure, maintain, and troubleshoot Juniper, Cisco, and Palo Alto firewalls, routers, and switches across classified environments.
• Install, administer, and support LAN/WAN infrastructure, ensuring optimized performance and system health.
• Support remote users with secure connectivity and troubleshoot Layer 2/Layer 3 issues.
• Monitor system logs, backups, and ensure timely patching and security updates.
• Manage user accounts and enforce access control policies aligned with cybersecurity standards.
• Support incident response, vulnerability mitigation, and risk identification activities.
• Document network procedures, system configurations, and operational standards.
• Collaborate with internal teams, vendor support, and mission partners to resolve technical challenges.
• Work independently to manage assigned tasks supporting overall network security posture.
• Installation, configuration, maintenance, backup, and restoration of cyber defense systems
• Assisting in identifying, prioritizing, and coordinating the protection of critical cyber defense infrastructure and key resources
• Building, installing, configuring, and testing dedicated cyber defense hardware and systems

• Active Top Secret clearance with SCI eligibility.
• Bachelors degree in IT, Cybersecurity, or related discipline (additional years of relevant experience may substitute).
• 57 years of experience supporting enterprise networks in DoD, federal, or regulated environments.
• Current CCNA certification (required).
• DoD 8140 IAT Level III certification (e.g., CASP+ CE, CCNP Security, CISA, CISSP, GCED, GCIH, CCSP, or CISM).
• Proficiency in configuring and maintaining Juniper, Cisco, and Palo Alto networking infrastructure.
• Experience supporting or implementing RMF in DoD environments.
• Familiarity with vulnerability management, patch compliance, and information assurance requirements.

• Experience with Linux/UNIX-based systems.
• Installation and configuration of intrusion detection systems, perimeter defense technologies, or advanced firewall configurations.
• Participation in Continuity of Operations (COOP) planning and failover testing.
• Integration of networks with broader enterprise systems.
• AWS/Azure networking experience.
• Familiarity with DISA STIGs, Army and DoD regulations.

• Bachelors degree in Computer Science, Engineering, Information Systems, or related field.

• Implement and manage network security tools
• Monitor and analyze security events
• Conduct vulnerability assessments
• Develop and enforce security policies
• Ensure compliance with security standards
• Respond to security incidents

• Proficiency in firewall and VPN management
• Knowledge of intrusion detection systems
• Expertise in configuring network protocols
• Strong troubleshooting skills
• Familiarity with threat analysis tools
• Understanding of encryption techniques

• Experience with cloud security solutions
• Knowledge of Zero Trust architectures
• Familiarity with endpoint security tools
• Understanding of SIEM platforms
• Ability to perform penetration testing
• Knowledge of AI-based security tools

• Excellent Salaries
• Flexible Work Schedule
• Cafeteria Style Benefits
• 10% - 401k Matching (Vested Immediately)
• Additional 401k Profit Sharing
• 30 days Paid Leave/Holiday (No Use or Lose!)
• The day off for your birthday
• Medical/Dental/Vision - 100% employee coverage. ($1200 allowance - or a bonus)
• HSA/FSA
• AFLAC
• Long Term/Short Term Disability - 100% employee coverage. No cost to you.
• Life Insurance - 100% employee coverage. No cost to you.
• Additional Discretionary Life Insurance
• Paid Training
• No long, wordy reviews with tons of paperwork!
• Referral bonus program with recurring annual payments

Hoplite Solutions is seeking an experienced Network Security Engineer to support a high-impact mission space within a dynamic, fast-paced team environment. The successful candidate will contribute to operational planning, support, and technical analysis for cyber operations. This position involves direct support to government clients and partners, helping to shape and drive cyber operations through in-depth technical assessments, threat analysis, and strategic planning.

Responsibilities:

• Perform additional technical analysis for ops support working with a dynamic team to identify opportunities for new technical operations, inform risk management and best practices for ongoing operations

• Analyze collected and collateral network traffic in support of operational planning and ongoing support

• Develop, deliver and/or support technical briefing material to client and client partners

Required Qualifications:

• Active Top Secret/Sensitive Compartmented Information (TS/SCI) clearance, with polygraph.

• Six or more combined years of experience from the following bullets:

• Experience conducting network penetration testing, information security red teaming exercises, network incident response, network and or malware forensics

• Experience conducting or providing direct technical targeting/target analysis support to computer network exploitation operations

• Demonstrated ability to find and synthesize information from a variety of proprietary and open-source information sources to develop sound cyber operation concepts and detailed proposals, and drive ongoing operations

• Have an understanding of, and experience with client's culture, practices, and processes, technical operations in general and cyber operations

• Experience analyzing network packet capture or net flow data for assessment of intrusion and/or vulnerabilities

• Understanding of computer networks and familiarity with technical collection capabilities and field operations

• Demonstrated understanding of the entire computer network and ability to research, analyze, prioritize effectively, problem solve, synthesize large amounts of data/information, and to work several tasks concurrently with minimum supervision

• Demonstrated familiarity with client systems, processes and practices to create formal and informal communications with client partners

• Demonstrated strong oral and written communication skills

Desired Qualifications:

• Foreign language ability is a plus

• Experience working advanced persistent threat forensics in cyber threat industry or public sector

• Ability to collaborate with and present information to customers with diverse backgrounds and to convey technical information to non-technical individuals

• Knowledge of complex geographic or functional areas or issues

• Knowledge of US Government policy issues as they relate to internet law

• Excellent interpersonal skills, sound judgment and good administrative and organizational skills

A Fortune 50 financial services company is seeking a highly motivated Senior Network Security Engineer to join their team. This remote role focuses on leveraging expertise in Palo Alto firewall technologies to enhance and manage the company's enterprise network security infrastructure.

About the Opportunity:

• Hybrid or Remote: Remote
• Schedule: Full-time
• Setting: Enterprise network security infrastructure

• Managing and maintaining Palo Alto firewall infrastructure, including patching, upgrades, and configuration.
• Converting traditional Layer 4 firewall rules to Layer 7 using App-ID and User-ID.
• Creating and managing custom App-ID definitions for unique applications.
• Ensuring the performance, availability, and compliance of firewall and security solutions.
• Collaborating with internal teams to define and implement secure network solutions.
• Supporting monitoring and response efforts to maintain a strong security posture.

• 10+ years of overall network engineering experience.
• 5+ years of hands-on experience with Palo Alto firewall platforms.
• Strong understanding of App-ID, User-ID, and custom App-ID creation.
• Experience with firewall upgrades, patching, and advanced rule configuration.
• Proficient in core networking concepts, protocols, and secure design principles.
• Familiarity with network infrastructure devices such as routers, switches, and VPNs.

• Experience managing Checkpoint firewalls in cloud environments.
• Background deploying Palo Alto solutions in IaaS-based infrastructures.
• Python scripting experience for automating firewall management tasks.
• Exposure to infrastructure-as-code or automation frameworks (e.g., Ansible, Terraform).

Mantech seeks a motivated and customer-focused Senior Security Engineer to join our team in Chantilly, VA . In this role, you will help design, implement, and sustain mission-driven network solutions that enable secure enterprise operations. You will provide technical leadership and hands-on expertise in supporting Comply-to-Connect (C2C) systems across both classified and unclassified environments.
 

Responsibilities include but are not limited to:
 

   Engineering, designing, implementing, integrating, and sustaining Comply-to-Connect (C2C) deployment support to migrate, deploy, enhance, and maintain C2C services

   Managing and maintaining C2C appliances, applications, servers, and supporting infrastructure in unclassified and classified environments

   Coordinating with the network service provider to develop and maintain network architecture diagrams

   Evaluating and recommending changes or technology upgrades to support performance improvements, standardization, and alignment with industry best practices

   Monitoring and analyzing C2C performance and faults and proposing solutions for optimization

   Collaborating with other team members and customers across multiple levels to gather, supply, or coordinate technical and operational information

   Supporting Assessment and Authorization activities related to network security technologies, as applicable
 

Minimum Qualifications:
 

   Bachelor's degree, or an additional 4+ years of network experience in lieu of a degree

   5+ years of experience in network support

   Hands-on experience with technologies supporting large-scale enterprise deployments or data centers

   Experience deploying and/or supporting enterprise security software such as firewalls, intrusion prevention systems (IPS), antivirus solutions, application firewalls, high availability systems, network management tools, and virtualization platforms

   Strong knowledge of Windows and Linux systems, operating system security practices, TCP/IP networking, 802.1x, and core network security principles

   IAT Level II certification (GSEC, Security+, SSCP, or CCNA-Security), or ability to obtain within 6 months of hire
 

Preferred Qualifications:
 

   Experience implementing and supporting complex, multi-component software solutions

   Familiarity with vendor-agnostic C2C capabilities, open-source network tools, DoD integration practices, and sustainment procedures for delivering enterprise C2C expertise

   Proficiency with Cisco Identity Services Engine (ISE)
 

Clearance Requirements:
 

An active TS/SCI with Polygraph is required for this position.
 

Physical Requirements:
 

   Must be able to remain in a stationary position 50% of the time.

   Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

Frequently communicates with co-workers, management, and customers. Must be able to exchange accurate information in these situations.

Network Security Engineer Lead

Ft. Belvoir, VA Join our Talent Network

Network Security Engineer Lead

Ft. Belvoir, VA C-CHR-24-042

TheNetwork Security Engineer Leadwill perform a variety of broad network engineering tasks focused on the design, implementation, testing, and troubleshooting of the RNEC-NCR intricate network infrastructure.

Duties and Responsibilities:

• Use Remedy ticket submissions for all work assignments.

• Respond to critical and VIP tickets via telephone call or by e-mail within two (2) hours upon notification from the appropriate government authority.

• Installation of Campus Area Network (ICAN).

• Install new modified hardware, operating systems, and software applications ensuring integration with Information Assurance (IA) security integrity requirements for the enclave.

• Install the LAN, WAN, SONET/NCS 4200, and related equipment.

• Maintain critical components of the ICAN from the edge router to the Area Distribution Switches (NIPR/layer 2, SIPR/Layer #) on a 24-hour, seven (7)-day-a-week on-call basis.

• Engineer, maintain, and make network infrastructure changes at Fort Belvoir, Fort Walker, Joint Base Myer Henderson Hall, and Fort Meade network system, including the LAN, WAN, SONET/NCS 4200 links and connectivity, switches, hubs, concentrators, routers, firewalls, SONET/NCS 4200 multiplexers, Windows servers, Storage Area Network (SAN), media backup systems, Cisco Digital Network Architecture (DNA), Cisco Identity Service Engine (ISE), Cisco wireless and stealth watch, Cisco Network Convergence System (NCS), GEM One, fiber and Ethernet cabling, and other infrastructure components.

• Configure and support the use of the DoD Common Access Card (CAC) and Public Key

• Infrastructure (PKI) for user authentication into the network, into applications, and for signing and encrypting electronic mail. CAC authentication into the network is mandatory unless an exception is granted by the government.

• Maintain the network ICAN infrastructure, including hubs, routers, switches, concentrators, firewalls, virtual private networks (VPNs), SONET /NCS 4200 multiplexers, servers, storage area nodes (SANs), cable management systems, and other network enhancements down to the Edge Access Switch level.

• Engineer, maintain, and make network infrastructure changes for NIPRNET and SIPRNET Internet and web access.

• Operate and maintain communication links.

• Establish communication links capable of providing required bandwidth to support effective and efficient connectivity and digital communications between Fort Belvoir and offsite government facilities.

• Implement and maintain software and application configuration management and configuration reporting.

• Install and update anti-virus software and anti-virus signature files on all assigned assets.

• Install security patches to protect against information assurance (IA) vulnerabilities.

• Implement and apply procedures to ensure only approved personnel have access to the Fort Belvoir network.

• Install government Public Key Infrastructure (PKI) server-side certificates and implement Secure Sockets Layer (SSL) and other secure methods of data transmission, including support to the VPN and VPN servers, CITRIX, and Structured Query Language (SQL) servers.

• Other duties as assigned.

Minimum Qualifications:

• Bachelor's degree.

• A combination of experience and training may be used in lieu of a degree.

• 8+ years or more of Network Administration/Engineering or related experience required.

• Possess Baseline and Full Computing Environment Certifications for IAT-II IAW DoD 8570.01-M and BBP 05-PR-M-0002.

• CCNP Certification (Enterprise, Service Provider, Data Center, Security, or Collaboration) or higher required.

• Secret clearance Tier 5 investigation required.

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Chenega Corporation and family of companies is an EOE. Equal Opportunity Employer/Veterans/Disabled Native preference under PL 93-638. We participate in the E-Verify Employment Verification Program