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Principal Engineer Software Security Hybrid
Cisco Systems, Inc.
RTP, NC · San Jose, CA · Austin, TX · Chicago, IL
…beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide…
Added 1 min ago
Software Solution Engineer
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Remote, United States
…emerging AI technologies, and deploying secure cloud-native solutions in Azure, we'd like to meet…
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Solutions and Lakehouse Architect
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- $120,000 to $140,000 USD / year
Familiarity with artificial intelligence (AI)-assisted developer tooling
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Senior Field Engineering Operations Partner
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Experience supporting customer-facing technical teams such as Solutions Architects, Sales Engineers, Customer Success Engineers, Technical Account Managers, or Professional Services.
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Sales Executive
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Senior Solutions Engineer
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We are hiring a Senior Solutions Engineer to own the demo and the technical win on our largest enterprise deals. This is a true pre-sales role: you partner with our Enterprise Account…
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BI Analyst
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…transforming how the transportation industry operates - creating solutions that keep trucks moving safely, efficiently, and compliantly. This means making bold decisions and building…
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Customer Service Manager
L-Nutra
Remote, United States
Contribute to department projects and company-wide initiatives with a proactive, solutions-first approach.
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Business Intelligence Developer
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The BI Developer at TherapyNotes is responsible for designing, developing, and maintaining business intelligence solutions that support data-driven decision-making across the organization.…
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Software Developer
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NeuroHire is looking for a motivated and talented Software Developer to join our team. In this role, you will contribute to developing, testing, and maintaining software applications while…
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Senior Software Engineer
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…stakeholders to turn ideas and requirements into thoughtful, effective solutions. You’ll also have opportunities to share your expertise and help raise the technical effectiveness of the…
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Senior Optimization Engineer
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…this pivotal role, you will focus on developing and deploying solutions to advance our optimization software across multiple US power markets for a variety of asset types, with an emphasis…
Added 2 mins ago
Senior Optimization Engineer
Tierra
Remote, United States
…this pivotal role, you will focus on developing and deploying solutions to advance our optimization software across multiple US power markets for a variety of asset types, with an emphasis…
Added 2 mins ago
Senior Optimization Engineer
Tierra
Remote, United States
…this pivotal role, you will focus on developing and deploying solutions to advance our optimization software across multiple US power markets for a variety of asset types, with an emphasis…
Added 2 mins ago
Senior Optimization Engineer
Tierra
Remote, United States
…this pivotal role, you will focus on developing and deploying solutions to advance our optimization software across multiple US power markets for a variety of asset types, with an emphasis…
Added 2 mins ago
FA
Lead Clinical Scientist
Faro AI Inc.
Remote, United States
- $170,000 to $200,000 USD / year
…and other cross-functional stakeholders to define and deliver solutions that clinical scientists and professionals can trust and…
Added 2 mins ago
FA
Lead Clinical Scientist
Faro AI Inc.
Remote, United States
- $170,000 to $200,000 USD / year
…and other cross-functional stakeholders to define and deliver solutions that clinical scientists and professionals can trust and…
Added 2 mins ago
FA
Lead Clinical Scientist
Faro AI Inc.
Remote, United States
- $170,000 to $200,000 USD / year
…and other cross-functional stakeholders to define and deliver solutions that clinical scientists and professionals can trust and…
Added 2 mins ago
FA
Lead Clinical Scientist
Faro AI Inc.
Remote, United States
- $170,000 to $200,000 USD / year
…and other cross-functional stakeholders to define and deliver solutions that clinical scientists and professionals can trust and…
Added 2 mins ago
FA
Lead Clinical Scientist
Faro AI Inc.
Remote, United States
- $170,000 to $200,000 USD / year
…and other cross-functional stakeholders to define and deliver solutions that clinical scientists and professionals can trust and…
Added 2 mins ago
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Revenue Operations & Systems Lead
NationSwell
Remote, United States
- $45 to $55 USD / hour
…comfortable translating business needs into practical systems solutions. This is a hands-on builder role, focused on end-to-end building and maintenance of the operational infrastructure…
Added 2 mins ago
Sr. Analyst, GTM Systems
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Remote, United States
…transforming how the transportation industry operates - creating solutions that keep trucks moving safely, efficiently, and compliantly. This means making bold decisions and building…
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Technical Support Analyst
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Remote, United States
Leverage internal resources, knowledge bases, and team expertise to deliver accurate, timely solutions.
Added 2 mins ago
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Lead Cybersecurity Engineer - Innovation & Automation
Credence
Remote, United States
- $135,000 to $156,000 USD / year
Join a team where innovation meets mission, our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and…
Added 2 mins ago
AI Developer
Salvo Software
Remote, United States
Salvo Software is a global technology company specializing in custom software development and advanced engineering solutions. With distributed teams across the US, LATAM, and India, we…

Closed listing

General Dynamics Information Technology

Senior Network Security Engineer

Bethesda, MD, United States

The likely salary range for this position is $119,000 - $161,000.

This opening has closed.

The original listing is kept below for reference.

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Job details

Pay: The likely salary range for this position is $119,000 - $161,000.
Posting language: English
Posted: Nov 7, 2026

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Original job description

Archived listing. The details below describe a past opening.

Req ID: RQ231912

Type of Requisition: Regular

Clearance Level Must Be Able to Obtain: None

Public Trust/Other Required: NACI (T1)

Job Family: Cyber and IT Risk Management

Skills:

Cisco Firewall,Cisco VPN,Palo Alto Networks Next Generation Firewalls (NGFW),Remote Access VPN

Certifications:

Certified Network Professional Enterprise (CCNP) | Cisco - Cisco

Experience:

4 + years of related experience

Job Description:

The Senior Network Security Engineer is responsible for the configuration, deployment, and management of the customer’s security appliances and infrastructure in a 24x7x365 environment. The senior engineer is responsible for but not limited to monitoring, configuration changes, accounts, and software updates for the customer’s security appliances for internal and border security framework. The engineer must be able to analyze, troubleshoot, and remediate issues within the enterprise. The engineer will also work closely with other teams to ensure that all security solutions are performing to standard.

This position is located at 6555 Rock Spring Drive, Bethesda, MD travel is primarily local in the DC metro area.

Responsibilities:

Administration of LAN technologies for Cisco ASA Firewalls
Administration of firewalls, including but not limited to Cisco ASA, ACS, RSA, Cisco AnyConnect, Gigamon, Cisco VPN, Palo Alto
Assist in troubleshooting and problem solving for a wide variety of client/user LAN/Security related issues
Work closely with other IT functional teams to ensure cohesive support and strategies across the IT organization
Support the development of project plans and execute as authorized
Maintain relationships with key Third-Party software/hardware vendors to provide support to the infrastructure as needed.
Provide daily support for tickets: service requests, incidents, problems, and tasks
Execute tasks to support projects
Auditing and Compliance
Configuration changes and Code upgrades needed to address vulnerabilities report by internal/external audits.
Vulnerability mitigation.
IOS code version bug scrapping with Cisco SME/TAC
IOS code version lab testing before implementing in production
Quarterly IOS code upgrades
Auditing of any newly deployed firewalls to verify compliance
24-hours availability for weekly On-Call rotation with the security team
Firewall hardware refreshes including rack and stack

Required Skills:

BS degree in Computer Science, Information Systems or equivalent.
Minimum of four years of experience implementing and maintaining Cisco ASA, VPN, ACS, AnyConnect, Gigamon
Minimum four years of experience in a Network Security Engineering role.
Experience with network infrastructure in enterprise datacenter solutions.
Experience with mid to large scale implementations of Cisco firewalls.
Ability to obtain a Public Trust

The likely salary range for this position is $119,000 - $161,000. 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.

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. 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.

Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 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 mission-ready capabilities in AI, cloud, cyber and software development.

Join our Talent Community to stay up to date on our career opportunities and events at https://gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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