Enterprise Network Security Specialist

24 hours ago


Chantilly, Virginia, United States Leidos Full time
Job Description:

The Digital Modernization Sector at Leidos seeks a seasoned Enterprise Network Security Specialist to support wide area networks (WANs) and local area networks (LANs). This position will provide critical boundary protection to an enterprise-level infrastructure across multiple classifications, acting as a subject matter expert in boundary technologies.

The ideal candidate will maintain the security and networking of enterprise boundary enclaves and devices, ensuring seamless integration with various vendors' equipment and applications. Key responsibilities include:

  • Maintaining the security and networking of enterprise boundary enclaves and devices
  • Installing software, applying patches, managing file systems, and monitoring performance of firewall systems
  • Providing support for Palo Alto, Cisco Adaptive Security Appliance (ASA), and Forcepoint firewall equipment and applications
  • Generating, determining impact of, and implementing custom proxy policies and/or policy exceptions in response to ongoing technology implementation activities on the program
  • Serving as Proxy Subject Matter Expert (SME) for integration of other technologies within the program
  • Supporting troubleshooting of web connectivity problems to determine root cause
  • Performing Proxy solution component upgrades, testing, and configuration
  • Researching and developing evidence collection, protection, and analysis techniques for customer-owned and maintained hardware and/or software
  • Providing real-time monitoring and alerting of security incident investigations on perimeter/internal infrastructure
  • Providing day-to-day Operations and Maintenance (O&M) support for all incident management events and outages
  • Collaborating with IT staff on projects and initiatives
  • Providing input for monthly progress and status reporting of Service Level Agreements (SLAs)
  • Working with all corresponding technical support teams as required to resolve network traffic concerns

To be successful in this role, the candidate must possess:

Required Skills and Qualifications:
  • TSA/SCI with Polygraph clearance
  • At least 16 years of experience, which can be a combination of work history and education (equivalent to a Doctorate and 8 years, Master's and 10 years, Bachelor's and 12 years, Associate's and 14 years, or HS diploma and 16 years)
  • 7 years of relevant boundary protection experience delivering fault-tolerant data network infrastructure solutions and incident response
  • IAT Level 2 certification
  • Experience in configuring and troubleshooting boundary protection technologies such as Palo Alto, Cisco ASA, and Forcepoint appliances
  • Experience with proxy technologies like Bluecoat proxies or equivalent applications
  • Working knowledge of routing and networking fundamentals
  • Understanding of boundary protection best practices
  • Demonstrated ability to engineer and modify rulesets to allow connectivity for new requirements
  • Working knowledge of Service Now or similar IT Service Management (ITSM) products
  • Superior verbal and written communication skills
  • Intermediate-level knowledge of MS Office products Word, Excel, PowerPoint, and Visio
Estimated Salary Range:

$87,100 - $157,450 per year



  • Chantilly, Virginia, United States GuidePoint Security Full time

    Unlock Your Career PotentialGuidePoint Security is a rapidly growing, profitable company that focuses exclusively on Information Security. As an Enterprise Cybersecurity Specialist - Threat Detection, you will play a critical role in ensuring the security of our clients' networks and systems.About GuidePoint SecurityWe are a trusted advisor to over 4,200...


  • Chantilly, Virginia, United States The Copper River Family of Companies Full time

    Job OverviewCopper River Information Technology is seeking an experienced Enterprise Solutions Architect to lead the development of innovative networking and security solutions. This dynamic role involves working closely with key vendors, such as Juniper, Cisco, Palo Alto, and Aruba/HPE, to craft compelling solutions that drive sales within the networking,...


  • Chantilly, Virginia, United States Fenix Group, Inc Full time

    Job SummaryWe are seeking a highly skilled Enterprise Network Architect to join our team at Fenix Group, Inc.As an Enterprise Network Architect, you will be responsible for designing and implementing Local and Wide Area Networks (LAN/WAN) for our clients.The ideal candidate will have a strong background in TCP/IP Networking and experience with VPN...


  • Chantilly, Virginia, United States A&M Technologies, Inc. Full time

    We are seeking an experienced Enterprise Network Infrastructure Specialist to join our team at A&M Technologies, Inc.Job DescriptionThe successful candidate will have a minimum of 16 years of experience in network infrastructure and hardware, with a strong understanding of routers, switches, firewalls, and other networking appliances. They will be...


  • Chantilly, Virginia, United States GTSC Talent Solutions Full time

    Job Title: Network Security AdministratorAbout the Role:We are seeking a skilled Network Security Administrator to join our team at GTSC Talent Solutions. As a Network Security Administrator, you will be responsible for managing and maintaining Windows and Linux servers, as well as managing and maintaining IT security configurations and tools. Your expertise...


  • Chantilly, Virginia, United States A&M Technologies, Inc. Full time

    A&M Technologies, Inc. is seeking a skilled Cyber Security Engineer to support the customer's various wide area networks (WANs) and local area networks (LANs). The successful candidate will be responsible for providing boundary protection to an enterprise level infrastructure across multiple classifications and acting as subject matter experts in boundary...


  • Chantilly, Virginia, United States Dansources Technical Services Full time

    Job OverviewDansources Technical Services has an exciting opportunity for a highly skilled Global Network Architecture Specialist to join our team.Estimated Salary: $120,000 - $180,000 per yearJob DescriptionWe are seeking a seasoned professional with extensive experience in network engineering and design to support our government customer's global...


  • Chantilly, Virginia, United States Top Secret Clearance Jobs Full time

    About the Job">Top Secret Clearance Jobs is dedicated to helping professionals with top-secret clearance find their next career opportunity. We strive to provide our clients with the most suitable candidates and help them secure interviews within 48 hours.">A&M Technologies, Inc. is seeking a highly skilled Network Systems Engineer to support our client. The...


  • Chantilly, Virginia, United States ManTech Full time

    Job OverviewWe are seeking an experienced Cyber Network Security Specialist to join our team in Chantilly, VA. This role involves expanding network architecture and collaborating with cross-domain engineers to maintain robust network devices.About the RoleThis senior-level position requires a deep understanding of network security concepts, including LANs,...


  • Chantilly, Virginia, United States IntelliBridge Full time

    DIGIT, a leading provider of advanced IT solutions and professional services to U.S. federal government agencies, is seeking an experienced IT Security Specialist to support the federal compliance and governance requirements for all systems supported by the Task Order.As a prime contractor for a $807m task order in support of the General Services...


  • Chantilly, Virginia, United States A&M Technologies, Inc. Full time

    A&M Technologies, Inc. is seeking a skilled Enterprise Systems Integration Specialist to join our team.About the RoleThis is an exciting opportunity for a highly motivated and experienced professional to drive the successful implementation of enterprise technical architecture. As an Enterprise Systems Integration Specialist, you will work directly with the...


  • Chantilly, Virginia, United States Leidos Full time

    Job DescriptionThe Digital Modernization Sector at Leidos is seeking a highly skilled Network Engineer (Campus Area Network/Local Area Network (CAN/LAN)) to support a global enterprise networks. Our team is completely replacing a global enterprise network while providing design, engineering, and transition for a wide range of customer network...


  • Chantilly, Virginia, United States Dansources Technical Services Full time

    Job OverviewDansources Technical Services is seeking a highly skilled Senior Network Infrastructure Specialist to support the Intelligence community by providing technical expertise for the customer's enterprise network infrastructure.

  • Network Architect

    6 days ago


    Chantilly, Virginia, United States AT&T Full time

    Network Architect Job DescriptionAT&T is seeking a highly skilled Network Architect to support our government customer's global enterprise networks. The ideal candidate will have experience in designing and implementing network architectures, ensuring secure and efficient data transmission across the globe.Key Responsibilities:Design and implement network...


  • Chantilly, Virginia, United States Dansources Technical Services Full time

    Job OverviewWe are seeking a highly skilled Senior Network Infrastructure Specialist to join our team at Dansources Technical Services. In this role, you will be responsible for designing and implementing Campus Area Network/Local Area Network (CAN/LAN) solutions that meet the needs of our government customer's global enterprise networks.Estimated Salary:...


  • Chantilly, Virginia, United States Peraton Full time

    Job DescriptionRole Summary: Peraton is seeking a talented Enterprise Transformation Specialist to enable enterprise transformation in the Chantilly and Springfield, VA area.We examine the art of the possible via in-depth enterprise engineering analysis, baseline definition, and control to defend the agency's investment towards mission modernization. In...


  • Chantilly, Virginia, United States Dansources Technical Services Full time

    Job OverviewDansources Technical Services is a leading provider of technical services to government customers.Salary InformationThe estimated salary for this position ranges from $120,000 to $180,000 per year, depending on experience.Job ResponsibilitiesAs a Global Network Solutions Specialist, you will play a critical role in designing and implementing...


  • Chantilly, Virginia, United States General Dynamics Information Technology Full time

    About the RoleWe are seeking an experienced Enterprise SharePoint Solutions Specialist to join our team at General Dynamics Information Technology. In this role, you will have the opportunity to work on critical high-impact projects that contribute to national security.


  • Chantilly, Virginia, United States Dansources Technical Services Full time

    Job Title: Network Architectural SpecialistThe Dansources Technical Services is looking for a skilled Cybersecurity Systems Engineer to join our team. This is an excellent opportunity for individuals who are passionate about developing and implementing network security solutions.As a Cybersecurity Systems Engineer, you will be responsible for designing,...


  • Chantilly, Virginia, United States ICES Full time

    Job DescriptionWe are seeking a highly skilled Enterprise Systems Integration Specialist to join our team at ICES in Chantilly, VA.About the RoleThis is a contract position that will impact national security. The ideal candidate will have an active/current TS/SCI security clearance and be willing and able to pass an additional polygraph as needed.Key...