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# Senior Systems Engineer

- **Company:** Entwined Technologies, Inc.
- **Location:** Washington, DC, United States (Remote available)
- **Experience:** Expert
- **Salary:** $130,000.0 - $140,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Amazon Web Services, Proxy Servers, Systems Engineering, Unix, Cyber Security, Domain Name System Security Extensions, Virtual Private Networks (VPN), Network Security, System Center Configuration Manager, Network Intrusion Detection Systems, Network Monitoring, Network Administration, Virtualization Technology, Network Routers, Transport Layer Security, Firewalls (Computer Science), Information Technology, Tenable Nessus, Firewall Services Module, Cyber Warfare, Splunk, Qualys, Network Optimization
- **Published:** July 2, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=fd3ceaa5c7e15916

## About the Role

* BS or MS in Computer Science or equivalent
 * 10+ years of experience in an information / network security role at companies with large networks
 * 8+ years of experience with AWS and/or other cloud platforms
 * Qualys experience
 * Strong BigFix experience
 * SCCM experience
 * Strong background in system or network administration
 * Strong knowledge of multi-factor / strong authentication technologies and how to implement them in heterogeneous environments
 * Expertise with security technologies and issues on both Unix and Windows
 * Ability to read source code in several languages to scan for security vulnerabilities
 * Excellent communication and teamwork skills
 * Strong Virtualization experience
 * Experience with DISA STIGs and/or CIS standards preferred
 * Splunk and Tenable Nessus for vulnerability and compliance scanning

WORK ENVIRONMENT AND PHYSICAL DEMANDS

Candidate must be able to function in general office environment., * How many years of SCCM experience do you have?

 * How many years of BigFix experience do you have?
 * How many years of Qualys experience?

## Description

As a member of a Federal Government Cyber Security Team, the Systems Engineer will assist in providing support for network security engineering and the engineering/integration and deployment of networking security technologies to support advanced external threat, insider threat, and cyber operations as well as Trusted Internet Connections., * Perform preventative maintenance on network gear including switches, routers and firewalls

 * Install software patches, updates, and upgrades to switches, routers and firewalls
 * Monitor network traffic and optimize network performance
 * Work closely with security team to harden security layers
 * Ability to manage DMZ's, which are used to provide shared services
 * Design, evaluate and implement DNS Security
 * Design, evaluate and implement Virtual Private Networking (VPN's)
 * Design, evaluate and implement Web proxy technology
 * Design, evaluate and implement SSL encryption/decryption
 * Help define overall security strategies and procedures
 * Define and refine firewall policies
 * Develop and implement network intrusion detection strategies
 * Work with the rest of the operations team to monitor stability and performance and ensure 24x7 operation
 * Monitor vendor and 3rd party security reports/lists and proactively patch vulnerabilities
 * Perform security reviews and audits Security Engineers by reviewing designs for security issues
 * Assist in the evaluation of new and emerging products and technologies


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