Network Security Engineer
TwsolContract
Required Skillset:
VPN
Job Description
- Develop and enforce comprehensive network security strategies aligned with industry standards such as NIST and ISOxxxxxxxxxxxxxxxto protect organizational assets.
- Configure and manage network security devices including Cisco ASA firewalls, Cisco ISE for identity management, IDS/IPS systems for threat detection, and VPN solutions for secure remote access.
- Conduct vulnerability assessments and penetration testing to identify potential weaknesses within LAN, WAN, SAN, and cloud infrastructure environments like AWS and Google Cloud Platform.
- Monitor network traffic using SIEM tools such as Splunk or SolarWinds to detect suspicious activities, perform log analysis, and initiate incident response procedures promptly.
- Implement system hardening techniques on operating systems including Linux (Debian, CentOS, Ubuntu), Windows, macOS, and UNIX variants to minimize attack surfaces.
- Manage encryption protocols such as IPsec, SSL/TLS, PKI (Public Key Infrastructure), and FIPS standards to secure data in transit and at rest across diverse platforms.
- Lead incident recovery efforts by executing disaster recovery plans, system security plans, and threat detection & response strategies in accordance with FISMA and FedRAMP compliance requirements.
- Extensive knowledge of computer networking concepts including LAN/WAN architecture, routing protocols (OSPF, BGP), TCP/IP stack, DHCP/DNS services, and network protocols.
- Hands-on experience with firewall management (Cisco ASA), network support tools (SolarWinds, PRTG), load balancing solutions, and high availability configurations.
- Proficiency in scripting languages such as Python or Bash for automation of security tasks and system administration activities.
- Strong understanding of vulnerability management frameworks like DREAD or CVSS; experience with vulnerability research and assessment tools.
- Familiarity with cloud computing platforms (AWS, Azure) including cloud architecture design principles for secure deployment.
- Knowledge of identity & access management (IAM), RBAC policies, SSO integrations (Active Directory), LDAP directories, GPOs, and open-source tools like Ansible or Terraform for infrastructure automation.
- Ability to analyze network traffic using tools like Fiddler or Wireshark; conduct computer forensics; implement system security hardening measures; perform threat intelligence analysis.
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