Network Engineer III

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Secret

Clearance Level Must Be Able to Obtain:

Secret

Public Trust/Other Required:

None

Job Family:

Network Engineering

Job Qualifications:

Skills:

Enterprise Network, Networking Hardware, Routing and Switching

Certifications:

None

Experience:

5 + years of related experience

US Citizenship Required:

Yes

Job Description:

Job Description

GDIT is the leading systems integrator in the Zero Trust Defense sector market—developing and delivering innovative solutions to government customers. Our Zero Trust business continues experiencing rapid growth, and this is an opportunity to join our team and be a part of creating Cybersecurity solutions that make a real impact.

As a Network Engineer on an Enterprise Zero Trust Program for a DoD cleint, your responsibilities will include:

• Designing and implementing secure, scalable, and reliable network solutions that meet the organization's needs. 

• Configuring, installing, and managing network hardware (routers, switches, firewalls) and software.

• Planning, executing, and documenting network upgrades, expansions, and optimizations. 

• Designing and establishing protocol compatibility standards. 

• Serve as a subject matter expert in firewall architecture, network security tools, and cloud security.

• Maintaining comprehensive network documentation, including architecture diagrams, rack elevations, SOPs, and configuration logs. 

• Diagnosing and resolving complex network issues, including those related to performance, security, and connectivity. 

• Investigating and responding to network security incidents, implementing corrective measures, and reporting on security vulnerabilities. 

• Analyzing network traffic, identifying bottlenecks, and optimizing performance. 

• Developing and implementing disaster recovery plans to ensure network resilience. 

• Managing and deploying software patches to network devices to mitigate security vulnerabilities. 

• Supervising and mentoring junior network engineers. 

• Communicating network status, performance, and security information to stakeholders, including management and end-users. 

• Working with other IT teams (e.g., systems administrators, security specialists) to ensure network integration and interoperability. 

• Working with vendors to select, purchase, and implement network equipment. 

• Ensuring that the network meets relevant industry standards and DoD regulations. 

Basic Qualifications:

• 5-8 years’ experience in Network Security or Network Engineering

• Experience with WLAN and LAN wired for large Enterprise networks

• Solid understanding of routing & switching, multicast, and QoS

• Excellent troubleshooting and problem-solving skills

• Knowledge of common security threats and protections to network, cloud, and endpoint resources.

• Knowledge and experience in log forwarding and event correlation with an enterprise grade SIEM.

• Knowledge and experience with public cloud networking and security technologies in AWS, Azure, and/or GCP.

• Clear and concise written and verbal communication skills.

• Highly self-motivated.

• Detail Oriented.

Required Skills/Knowledge:

• Current Secret clearance

• Relevant certifications required for Base and Compute Environment applicable to DoD 8570 IAT Level II

• Experience with network security technologies (Palo Alto, Cisco, Juniper, etc.)

• Strong expertise in firewall architecture and security best practices.

• Knowledge of cloud security and securing cloud applications.

• Strong knowledge and hands-on experience in the design, configuration, troubleshooting, and administration of NGFW virtual and physical appliances.

• Strong working knowledge of and experience with common network protocols including but not limited to: BGP, OSPF, STP, ARP, VLANs, Trunking, LACP, VPCs, ICMP, LDAP, RADIUS, DNS, DHCP, HTTP, TLS, SMTP, SSH, SCP

• Strong knowledge and hands-on experience with Public Key Infrastructure (PKI) and certificates.

• Implementation and administration experience with one or more Multi-Factor Authentication technologies.

• Implementation and administration experience with forward and reverse proxies and/or load balancers.

Desired Skills/Knowledge:

• Implementation and administration experience with one or more Multi-Factor Authentication technologies.

• Strong analytical and troubleshooting skills with the ability to diagnose and resolve complex network issues.

• Familiarity with SD-WAN solutions and network automation tools (e.g., Ansible, Terraform)

• Threat intelligence experience (consumption, presentation, and enforcement of indicators)

• Familiarity with the MITRE ATT&CK framework.

• Familiarity with NIST SP 800 series.

• Additional certifications related to Security and Route/ Switch would be a plus

• Bachelor's Degree and 5-8 years of technical experience in Network Security or Network Engineering with large-scale enterprise/global networks in high-paced, diverse environment.

GDIT IS YOUR PLACE:

• Full-flex work week to own your priorities at work and at home

• 401K with company match

• Comprehensive health and wellness packages

• Internal mobility team dedicated to helping you own your career

• Professional growth opportunities including paid education and certifications

• Cutting-edge technology you can learn from

• Rest and recharge with paid vacation and holidays

The likely salary range for this position is $85,000 - $115,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:

40

Travel Required:

10-25%

Telecommuting Options:

Remote

Work Location:

Any Location / Remote

Additional Work Locations:

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. GDIT typically provides new employees with 15 days of paid leave per calendar year to be used for vacations, personal business, and illness and an additional 10 paid holidays per year. Paid leave and paid holidays are prorated based on the employee’s date of hire. The GDIT Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

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Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans