Network Security Specialist

2 days ago

San Diego, California, United States ManTech Full time
Secure Our Nation, Ignite Your Future

ManTech International is seeking a highly skilled Network Engineer to join our team in San Diego, California. As a key member of our team, you will play a critical role in supporting the Navy Continuous Training Environment (NCTE) and ensuring the security and integrity of our nation's networks.

Key Responsibilities:

  • Provide network security support to Navy operational and training networks, with a focus on the Navy Enterprise Tactical Training Network (NETTN).
  • Ensure uninterrupted network connectivity to customers and sites by planning and executing the installation of new capabilities, as well as operating, maintaining, and troubleshooting network connectivity and infrastructure on enterprise managed networks.
  • Support the establishment and maintenance of various networks across the NCTE enterprise environment, including IP, LAN, WAN, and MPLS networks.
  • Run network protocols, network engineering techniques, and architectures in support of Navy training and operational requirements.
  • Work directly with government and contractor personnel, receiving engineering oversight from the Naval Surface Warfare Center (NSWC), Corona Division.
  • Analyze site survey reports to ensure accurate network engineering planning.
  • Support the procurement of network device hardware and software and oversee their installation and integration into the NCTE based on the approved network portfolio.
  • Set up, configure, and support internal and external networks, including proficiency with network performance monitoring tools.
  • Identify and analyze systems requirements.
  • Develop and maintain system applications and security.
  • Develop and maintain network configurations.
  • Troubleshoot network performance issues.
  • Provide user support and guidance.
  • Recommend and implement upgrades, patches, new applications, and new equipment.
  • Develop and maintain a disaster recovery plan.
  • Ensure proper documentation, coordination, and maintenance of multiple systems.

Requirements:

  • Bachelor's degree in Computer Science, Information Technology, or a related field, and 5 years of relevant experience, or High School diploma and 11 years of experience.
  • At least 3 years of experience with the responsibilities listed above.
  • Experience with Department of Defense (DoD) Security Technical Implementation Guidelines.
  • Experience in installing and troubleshooting WAN and LAN network equipment for node installations.
  • Experience in implementing and integrating cross-domain solutions at both the Secret and TS levels.
  • Cybersecurity Workforce Framework (CSWF) requirements with current baseline and Computing Environment/Operating System (CE/OS) certifications.
  • IAT-II level at a minimum in accordance with SECNAV M and DoD 8140/8570 (e.g., CompTIA Security+).
  • Knowledge of network standards, protocols, security, and applications; capabilities and applications of network equipment, including hubs, routers, switches, bridges, firewalls, servers, transmission media, and related hardware; network architecture and infrastructure; local area and wide area networking principles and concepts, including bandwidth management; network systems design, development, testing, installation, operations, management, and maintenance concepts and methods.
  • Knowledge of Cisco Internetworking capabilities, including IP addressing, switching, and routing, and a thorough understanding of the Cisco IOS platform.
  • Ability to effectively use and implement modern network security tools and technologies, including firewalls, VRFs, 802.1x, and port security.
  • Ability to lead a team in the performance of end-to-end lifecycle planning, design, installation, maintenance, and support for distributed networks used by M&S and C4I applications, systems, and subsystems.
  • Up to 25% travel required or as needed.

Preferred Qualifications:

  • Seven or more (7+) years of relevant work experience as a network engineer within a U.S. Government environment, DoD strongly preferred.
  • Master's degree in Computer Science, Information Technology, or a related field.
  • Active CCNA certification.
  • Experience in a Network Operations Center (NOC) or Network Operations Security Center (NOSC) environment, including help desk, customer communication, trouble ticketing, and issue resolution.
  • Experience with network security architecture similar to the NETTN, including Cisco Identity Services Engine (ISE), Cisco Secure Firewall Management Center, Cisco Firepower NGFW firewalls, AAA, 802.1x, VPN deployments, STIG implementation and verification, Command Cyber Readiness Inspections (CCRI).

Clearance Requirements:

  • Active Secret Security clearance with the ability to obtain and maintain an Active Top Secret/SCI security clearance.

Physical Requirements:

  • Must be able to remain in a stationary position 50%.
  • Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer.
  • The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

ManTech offers a competitive salary range of $99,200-$164,600, depending on qualifications and experience. We also offer a comprehensive benefits package, including health insurance, life insurance, paid time off, holiday pay, short-term and long-term disability, retirement and savings, learning and development opportunities, wellness programs, and other optional benefit elections.

ManTech is an equal opportunity employer and welcomes applications from diverse candidates. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

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