Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Network Security Engineer

Piper Companies

Piper Companies is seeking a Senior Network Security Engineer to support a government-focused organization. This position is onsite and requires an active Top Secret clearance. The role focuses on designing, implementing, and maintaining advanced network security architectures, with a strong emphasis on Cisco and Juniper technologies.

Responsibilities for the Senior Network Security Engineer include:
  • Design, implement, and optimize firewall and IPS rule structures to ensure security standards are maintained
  • Monitor, maintain, and improve the health and performance of firewalls and intrusion prevention systems (IPS)
  • Plan and coordinate enterprise-wide network security initiatives and solutions
  • Develop and maintain documentation, schematics, and procedures related to network security infrastructure
  • Research, evaluate, test, and implement new security technologies and tools
  • Support network engineering teams with expert-level security guidance
  • Lead migrations from Cisco ASA to Firepower Threat Defense (FTD) environments
Required Qualifications for the Senior Network Security Engineer include:
  • 10+ years of overall IT experience
  • Bachelor's degree in a related field (strongly preferred)
  • Hands-on experience with Cisco Identity Services Engine (ISE), including upgrades, deployment, and licensing
  • Proven experience with Cisco Firepower and ASA to FTD migrations
  • Strong knowledge of Cisco 802.1X deployment and authentication frameworks
  • Experience designing and deploying DMVPN (CNSSP-15 compliant) and Juniper ADVPN
  • Solid understanding of routing protocols including OSPF, EIGRP, and BGP
  • Active Top Secret security clearance (required)
Preferred Certifications:
  • CCNP Security
  • CCNP Enterprise (Routing & Switching)
  • CCDP
Compensation for the Senior Network Security Engineer includes:
  • Salary: Competitive based on experience
  • Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401(k), and additional benefits (details to be provided)

#LI-MJ1 #LI-ONSITE

Keywords:

Network Security, Cisco ISE, Cisco Firepower, ASA to FTD Migration, 802.1X, DMVPN, Juniper ADVPN, OSPF, EIGRP, BGP, Firewall Engineering, IPS, Intrusion Prevention, Network Architecture, CCNP Security, CCNP Enterprise, CCDP, Top Secret Clearance, Government Contractor, Onsite, Cybersecurity, Routing Protocols, Secure Network Design
Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Network Security Engineer in Washington DC vacancy
  •  ...Lead Network Security Engineer We are seeking an experienced Lead Network Security Engineer to take a key role in designing, implementing, and managing our client's enterprise network security architecture in Washington, D.C. This role requires comprehensive expertise... 
    Suggested
    Shift work

    Software Technology Inc

    Washington DC
    3 days ago
  • $46 - $51 per hour

     ...Sr. Network Security Engineer II The contractor is responsible for the planning, analysis, design, development, testing, quality assurance, configuration, installation, implementation, integration, maintenance, and/or management of networked systems used for the transmission... 
    Suggested
    Hourly pay
    For contractors
    Local area

    AHU Technologies, Inc.

    Washington DC
    2 days ago
  •  ...Network Security Engineer BDR Solutions, LLC, (BDR) supports the U.S. Federal Government in successfully achieving its mission and goals. Our service and solution delivery starts with understanding each client's end-state, and then seamlessly integrating within each... 
    Suggested
    Remote work

    Navstar

    Washington DC
    3 days ago
  •  ...Security Engineer - Senior Washington, DC, USA Full Time Top Secret Clearance Security Engineer Our Client is seeking...  ...~ Host-based logs (Windows Event Logs, Sysmon, EDR) ~ Network telemetry (firewall, proxy, VPN, DNS, NDR) ~ Cloud logs (Azure... 
    Suggested
    Full time
    Temporary work
    Work experience placement
    Work at office
    Flexible hours

    Merit 321

    Greenbelt, MD
    3 days ago
  • $135k - $195k

     ...delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent...  ...management, acquisition and contracting, systems and digital engineering, software development, test and evaluation, sustainment and life... 
    Suggested
    Full time
    Work at office
    Flexible hours
    3 days per week

    Systems Planning & Analysis

    Washington DC
    1 day ago
  • $180k - $200k

     ...is our specialty, we also focus on ICAM, Zero Trust, digital engineering and transformation, and enterprise AI and intelligent automation...  ...and share in the many benefits and opportunities we offer. Security Engineer III Responsibilities: Leads enterprise security... 
    For contractors

    Electrosoft

    Washington DC
    4 days ago
  • $93.4k - $176.2k

     ...Security Engineer At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and...  ...readiness skills Experience in securing information systems, network infrastructures, or knowledge of ACAS, Active Directory or... 
    Work at office
    Local area

    Accenture Federal Services

    Washington DC
    3 days ago
  •  ...Security Engineer Detection & Response Security is at the foundation of OpenAI's mission to ensure that artificial general intelligence...  ...failure and attack modes (workloads, nodes, control plane, networking). Are comfortable reasoning about lower-level infrastructure... 

    OpenAI

    Washington DC
    4 days ago
  • $237.6k - $297k

     ...Security Engineer, Detection & Response We are seeking a Senior Security Engineer with a specialty in Detection and Incident Response to join our Security Engineering team. This role sits at the intersection of security operations and software engineering — you won'... 
    Full time

    Scale AI

    Washington DC
    1 day ago
  • $98.4k - $160k

     ...America, you can build a successful career with opportunities to learn, grow, and make an impact. Join us! Job Description: The Network Security Engineer is responsible for supporting multiple security engineering efforts to deliver enterprise security capabilities. Key... 
    Full time
    Work at office
    Flexible hours
    Shift work
    Day shift

    Bank of America

    Washington DC
    21 hours ago
  •  ...attack. Our adversaries infiltrate our networks, steal our IP, and degrade the digital infrastructure...  ...is assured, and the free world remains secure. Founded in 2024, Twenty Technologies...  ...Summary We are seeking IT Security Engineer to join our growing technology... 
    Full time
    Work at office
    Flexible hours

    Twenty

    Arlington, VA
    5 days ago
  • $164.38k - $212.75k

     ...Qualifications: Skills: Information Assurance, Information System Security, Risk Assessments Certifications: None Experience:...  ...technology into opportunity as a Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) with GDIT. A... 
    Temporary work
    For contractors
    Interim role
    Immediate start
    Remote work
    Worldwide
    Flexible hours

    General Dynamics Information Technology

    Washington DC
    3 days ago
  •  ...Web Developer Security Engineer The Web Developer Security Engineering plays a pivotal role in protecting mission-critical web applications, APIs and sensitive data. The objectives are to embed robust security principles throughout the software development lifecycle... 
    Worldwide

    V Group

    Washington DC
    3 days ago
  • $105k

     ...Description Are you a reverse engineer who loves to discover how bespoke systems work and...  ...? Are you passionate about national security cyber challenges? If so, we want you...  ...including foreign materiel, telecommunications/network infrastructure, and industrial systems... 
    Temporary work
    Work experience placement
    Relocation package
    Flexible hours

    Johns Hopkins Applied Physics Laboratory (APL)

    Laurel, MD
    4 days ago
  • $126.3k - $243.1k

     ...ingenuity for clients across defense, national security, public safety, civilian, and military...  ...penetration‑testing activities across network, application, and cloud environments,...  ...management, SOC, threat‑intelligence, and engineering teams to drive remediation activities.... 
    For contractors
    Live in
    Work at office
    Local area

    Accenture

    Washington DC
    3 days ago
  • $166k - $253k

     ...Security Software Engineer - Endpoint Security Washington, District of Columbia, United States Anduril Industries is a defense technology...  ...cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years. About... 
    Full time
    Work experience placement
    Immediate start

    anduril

    Washington DC
    3 days ago
  • $115k - $203k

     ...invaluable edge in real estate. Evolve our security pentesting capabilities to test our...  ...and demonstrate exploitability to engineering teams, security peers, and senior leadership...  ...CI/CD pipelines. Working knowledge of network, system, and database administration concepts... 
    Hourly pay
    Full time
    Work at office
    Work from home
    Monday to Thursday

    CoStar Realty Information, Inc.

    Arlington, VA
    14 hours ago
  •  ...is part of the Application Development Security Framework Program within Bank of America...  ...least 5 of the following areas: security engineering application architecture...  ...identify vulnerabilities Knowledge of network and Web related protocols/technologies (... 
    Work at office
    Shift work
    Day shift

    Bank of America

    Washington DC
    3 days ago
  • $3,000 per month

     ...on bonus for external hires! Cyber Software Engineer Stf - SIGNAL SWE WHAT WE‘RE DOING Lockheed...  ...the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon... 
    Relocation package

    Lockheed Martin

    Laurel, MD
    4 days ago
  •  ...Position Overview: We are seeking an experienced Senior Security Engineer to work in Washington DC to join our team supporting an Enterprise...  ...weaknesses, and ensure timely remediation to maintain network integrity. Network Monitoring : Monitor the network for unauthorized... 
    For contractors
    Work at office
    Local area

    DirectViz Solutions

    Washington DC
    4 days ago
  • $160k - $220k

     ...MTSI is seeking a Information Systems Security Engineer (ISSE) whose primary function will be to serve as the Program Office's information security professional responsible for managing all aspects of an organization's information security system, including researching... 
    Contract work
    Work at office

    Modern Technology Solutions Inc

    Washington DC
    4 days ago
  • $140k - $160k

     ...Information Systems Security Engineer Information Systems Security Engineer opportunity in Arlington, Virginia, with a confidential employer. This full-time role is the Classified Information Security Lead, requiring U.S. citizenship, an active Top Secret clearance... 
    Full time
    Contract work
    Work experience placement
    Local area
    Remote work
    Relocation
    Relocation package

    Top Engineer

    Arlington, VA
    1 day ago
  •  ...and techniques. Responsibilities and tasks will include system engineering plan review and development, program and schedule management,...  ...programmatic and technical support; Provide oversight of System Security (SS) solution development, compliance with Technical... 
    For contractors
    Work at office

    Technomics

    Arlington, VA
    1 day ago
  •  ...fully owned subsidiary of Lancesoft Title: Information System Security Engineer Location: Washington, DC Type: Fulltime We are...  ...: • Identify information protection needs for an IS and Network Environment • Define IS and Network Environment security... 
    Full time
    Flexible hours

    LanceSoft

    Washington DC
    4 days ago
  • $140k - $160k

     ...Edgewater is currently seeking a hands-on Senior Security Architect/Azure Cloud Security Engineer to support secure Azure development, application modernization...  ...technologies to provide data protection, configuring network security defenses, collecting and analyzing Azure... 
    Contract work
    Local area
    Remote work

    Edgewater Federal Solutions

    Washington DC
    1 day ago
  • 4253 Senior Systems Security Engineer 4253 | US Citizen Job Description: OVERVIEW: We are seeking for a Sr. Systems Security...  ..., ensuring security is integrated through system and network lifecycles. Evaluate, implement, and document security architecture... 

    Procession Systems

    Washington DC
    1 day ago
  • $40k

     ...mission‑critical programs across national security, defense, and public service delivery....  ...national scale. The Junior Security Engineer supports 24x7 enterprise cybersecurity operations...  ..., operating systems, databases, and network/security infrastructure. Job-Specific... 
    Contract work
    Remote work

    MAXIMUS

    Washington DC
    2 days ago
  • $135k

     ...Kadiak, LLC, a Koniag Government Services company, is seeking an Information Systems Security Engineer (ISSE) with Top Secret security clearance to support Kadiak in Washington, DC. This position is for a Future New Business Opportunity. We offer competitive compensation... 
    Work experience placement
    Work at office
    Local area
    Flexible hours

    Koniag Government Services

    Washington DC
    4 days ago
  •  ...Information Systems Security Engineer (ISSE) We are seeking a highly skilled and mission-driven Information Systems Security Engineer (ISSE...  ...ports, protocols, and services to support secure system and network design. Assist architects and system developers in... 
    Contract work
    For contractors

    Powder River Industries LLC

    Washington DC
    2 days ago
  •  ...attack. Our adversaries infiltrate our networks, steal our IP, and degrade the digital infrastructure...  ...is assured, and the free world remains secure. Founded in 2024, Twenty Technologies...  ...skilled Offensive Cyber Research Engineer for an in-office position in its... 
    Full time
    Work at office
    Worldwide
    Flexible hours

    Twenty

    Washington DC
    13 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Network Security Engineer. Be the first to apply!