Engineer III, Security Engineer
$81k - $155kVerizon
When you join Verizon You want more out of a career. A place to share your ideas freely — even if they’re daring or different. Where the true you can learn, grow, and thrive. At Verizon, we power and empower how people live, work and play by connecting them to what brings them joy. We do what we love — driving innovation, creativity, and impact in the world. Our V Team is a community of people who anticipate, lead, and believe that listening is where learning begins. In crisis and in celebration, we come together — lifting our communities and building trust in how we show up, everywhere & always. Want in? Join the #VTeamLife. What you’ll be doing... The GN&T Network Security team is looking for a highly motivated and experienced Engineer to join the Network Security Defense team. The Defense teams are responsible for owning the security lifecycle and effectiveness across the Core, Edge, and Access networks, as well as all systems and network functions within GN&T. This role is on the Management Network Defense team. At Verizon, network security ensures the reliability of global communications. You will defend against some of the most sophisticated state-sponsored and criminal actors in the world. Lead Security Improvements: Drive the identification of security gaps and lead the design, architecture, and implementation of appropriate security solutions. Collaborative Design: Partner across Operations, Engineering, and Planning organizations to ensure secure design patterns are embedded into new deployments and major changes. Strategic Problem Solving: Work with lead engineers on strategic security technical challenges and complex investigations. Security Assessments: Perform regular security control assessments to validate configuration effectiveness and close gaps discovered during active hunts. Technical Communication: Articulate complex technical concepts clearly to diverse internal and external audiences. Develop essential technical documentation, including playbooks, Confluence pages, Network diagrams, and Method of Procedures (MOPs). When applying for this role, you should have knowledge within some of the following areas: Management Network: Hands-on experience with securing/hardening management or out-of-band (OOB) networks that support telemetry services. Network Fundamentals: Knowledge of TCP/IP protocols including CIDR and NAT techniques, DNS, and flow data (NetFlow/IPFIX) to distinguish between legitimate traffic and malicious patterns. Network Operations: Experience with network monitoring, network configuration including break/fix and maintenance process. Security Architecture: Designing and implementing defense-in-depth strategies, including firewalls, encryption, centralized Identity and Access Management and Multi-Factor Authentication (MFA). SIEM Threat Detection: Familiarity with threat detections using SIEM platforms like Splunk to improve alert fidelity. Where you'll be working... In this hybrid role, you'll have a defined work location that includes work from home and assigned office days in one of the offices listed for this position. In order to be eligible to apply for this position, you must be within commuting distance of one of those locations. What we’re looking for... You must have... Bachelor’s degree or three or more years of relevant work experience in network security or a related field. Deep understanding of network fundamentals (TCP/IP, DNS), the OSI model and protocols associated with each layer and advanced knowledge of router operations, including: Distinction between Control Plane, Data Plane, and Management Plane security. Knowledge of routing protocols (BGP, OSPF, IS-IS) and how to protect them from hijacking or manipulation. Experience analyzing NetFlow/IPFIX data to distinguish between legitimate traffic and malicious patterns. Experience supporting, configuring and troubleshooting network equipment from major telecommunications vendors such as Cisco, F5, Arista, Juniper, or Palo Alto. Experience with scripting languages like Python, Powershell, Perl, and/or automation tools in a network environment. Demonstrated organization and project management skills including proactive ownership of network investigations with a proven track record of effective collaboration with peer engineers to resolve complex network issues or network security incidents. Effective written and verbal communication skills for cross-functional collaboration. Willingness to hold a flexible schedule as required to meet the security needs of the business, including possibility of working maintenance windows as needed for network change management. Even better if you also have... Advanced Splunk Skills: Ability to write complex, optimized SPL (Splunk Search Language), including data models, lookups, and dashboards for threat analysis. AI Tooling: Experience utilizing Claude Code or other AI tools for script and configuration authoring. Certifications: Security (CISSP, CISM, OSCP, Security+) or Networking (PCNSE, CCNP, CCNA). Internet-Scale Data: Hands-on experience with Netflow, BGP, DNS, and IDS logs at scale. Incident Frameworks: Fluency in security frameworks, particularly the application of CIS Benchmarks (Level 1 & 2 hardening) and mitigating MITRE ATT&CK Tactics, Techniques, and Procedures (TTPs) on network devices. Advanced Analytics: Experience with risk-based alerting, asset/identity correlation, and big data tools like Elasticsearch. System Engineering: Unix or Linux expertise and experience with encryption (IPsec, TLS) and DDoS mitigation. Security Tooling: Experience effectively utilizing EDR (Endpoint Detection & Response) tools such as CrowdStrike or threat investigation tools such as NETSCOUT OCI (Omnis Cyber Intelligence). If Verizon and this role sound like a fit for you, we encourage you to apply even if you don’t meet every “even better” qualification listed above. If you believe this job posting is missing information required by the Virginia wage or salary range transparency law, please report it via View email address on click.appcast.io. Where you’ll be working In this hybrid role, you'll have a defined work location that includes working from home and a minimum of three days per week in the office, which will be set by your manager. Employees are responsible for maintaining compliance with hybrid work policies. Scheduled Weekly Hours 40 Equal Employment Opportunity Verizon is an equal opportunity employer. We evaluate qualified applicants without regard to veteran status, disability or other legally protected characteristics. Benefits and Compensation Our benefits are designed to help you move forward in your career, and in areas of your life outside of Verizon. From health and wellness benefit options including: medical, dental, vision, short and long term disability, basic life insurance, supplemental life insurance, AD&D insurance, identity theft protection, pet insurance and group home & auto insurance. We also offer a matched 401(k) savings plan, up to 8 company paid holidays per year and up to 6 personal days per year, paid parental leave, adoption assistance and tuition assistance, plus other incentives, we’ve got you covered with our award-winning total rewards package. Depending on the role, employees have the opportunity to receive compensation in the form of premium pay such as overtime, shift differential, holiday pay, allowances, etc. Newly hired employees receive up to 15 days of vacation per year, which grows with additional service. For part-timers, your coverage will vary as you may be eligible for some of these benefits depending on your individual circumstances. The salary will vary depending on your location and confirmed job-related skills and experience. This is an incentive based position with the potential to earn more. For part-time roles, your compensation will be adjusted to reflect your hours. The annual salary range for the location(s) listed on this job requisition based on a full-time schedule is: $81,000.00 - $155,000.00. You want more out of a career. A place to share your ideas freely — even if they’re daring or different. Where the true you can learn, grow, and thrive. At Verizon, we power and empower how people live, work and play by connecting them to what brings them joy. We do what we love — driving innovation, creativity, and impact in the world. Our V Team is a community of people who anticipate, lead, and believe that listening is where learning begins. In crisis and in celebration, we come together — lifting our communities and building trust in how we show up, everywhere & always. Want in? Join the V Team Life. Our credo is at the core of the V team culture View our benefits
$175k - $260k
...What Impact You'll Have Seeking experienced offensive security professionals to conduct security assessments, red team operations... ...offensive security certifications Experience with reverse engineering and exploit development Background in offensive cyber operations...SuggestedContract workWork experience placementImmediate start- ...Job Description Job Description RSS Network Engineer III Start Date: Immediate opening Position: Network Engineer III Requirement... ...requests from users. Ensure network compliance with security and performance requirements (NISPOM, RMF/DISA). Assist with...SuggestedWork experience placementLocal areaImmediate start
- ...upon for delivering superior insight and leadership to solve the nation's most critical national security challenges in the most demanding environments. This Network Engineer position is located in Northern Virginia with flexible core hours. The Network Engineer is...SuggestedFull timeFlexible hours
- ...attacks and attack stages Knowledge of system and application security threats and vulnerabilities Knowledgeable in proactive analysis... ...Education BS Computer Science, Cybersecurity, Computer Engineering or related degree; or HS Diploma and 10+ years of host or digital...SuggestedContract workImmediate start
- ...exceptional professionals for this role. Senior Network Engineer Job Description The most security-conscious organizations trust Telos Corporation to... ...· DoD 8570.01-M Baseline Certifications for IAT Level III (CISSP, CASP+) · Relevant OEM certification such as:...Suggested
- ...Reston, Virginia Type: Contract Job #3515 Cloud Engineer III Reston VA Active TS/SCI with Polygraph... ...cloud-based architecture, ensuring scalability, reliability, and security in alignment with industry best practices. Collaborate with...Contract work
$120.5k - $231k
...everywhere & always. Want in? Join the #VTeamLife. What you’ll be doing... The Verizon Network Security team is looking for a highly motivated and experienced Principal Engineer to join the Net-Sec Defense Organization under the Broadband Access team. You will be...Full timeTemporary workPart timeWork experience placementWork at officeWork from homeShift work3 days per week$87.1k - $157.45k
...Job Overview Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC) is a US Government... ...and actionable remediation recommendations. Partner with SOC, engineering, and security teams to validate and remediate vulnerabilities....Local area$45k - $65k
Blu Omega LLC seeks a Junior Vulnerability Analyst to support the NIH cybersecurity operations center. This remote role is responsible for assessing and mitigating cybersecurity vulnerabilities in critical healthcare and federal systems. Candidates should demonstrate a...Remote work- ...is looking to add an Information Systems Security Officer (ISSO) to provide advice and assistance... ...clearance. Security+ or other IAT II/III level certification that is currently... ...Security Officer or Information System Security Engineer experience. Proven experience leading...Full timeFlexible hours
- ...Requisition #: 1547 Job Title: Information System Security Officer Location: Ashburn, VA Job Description Responsible for ensuring the... ...Experience Typically has a Bachelor's degree in Information Security, Engineering, or related field, and 3+ years of experience, or equivalent...Work experience placementWork at office
- ...Akima Global Technology (AGT) is looking for a Senior Information System Security Officer to work in Ashburn, Virginia. To join our team of outstanding professionals, apply today! Responsibilities Plans, develops, and analyzes security measures to protect...For contractorsWork experience placementRemote work
$77.6k - $176k
...Job Number: R0236862 Information Systems Security Officer The Opportunity Support mission-critical national security programs as the lead... ...practices TS/SCI clearance with a polygraph HS diploma or GED IAM Level III certification, such as CISSP, GSLC, or CISM Nice If You Have...Full timeContract workPart timeLocal areaRemote work- ...Akima Global Technology (AGT) is looking for a Senior Information System Security Officer to work in Ashburn, Virginia. To join our team of outstanding professionals, apply today! Responsibilities Plans, develops, and analyzes security measures to protect critical...For contractorsWork experience placementLocal areaRemote work
- ...Application Security Engineer The Department of Homeland Security (DHS), Customs and Border Protection (CBP) Cyber Security Directorate (CSD) Security Operations Center (SOC) is a US Government program responsible to prevent, identify, contain and eradicate cyber threats...Work at officeLocal area
- ...MANTECH seeks a motivated, career and customer-oriented Senior Information System Security Engineer (ISSE) to join our team in Washington, D.C., Chantilly, VA or Quantico, VA. Responsibilities include, but are not limited to: Identify information protection...Full timeWork at office
$87.1k - $157.45k
Leidos is seeking an experienced Information Systems Security Engineer (ISSE) to lead the security architecture, design, and deployment of mission... ...Certifications: Active DoD 8570/8140 IAT/IASAE Level III certification (e.g., CISSP, CASP+). AWS Certified Security - Specialty...Full timeWork experience placement- ...safeguarding our information systems. The successful candidate will be responsible for identifying vulnerabilities, implementing security measures, and responding to incidents. Key Responsibilities Conduct regular security assessments and audits of the organisation's...
$105k - $125k
...Senior Security Engineer Job Category Information Technology Market Location VA - Northern Virginia Location VA - Reston Apply Now ( NVR, Inc. is seeking a Senior Security Engineer to work on site in Reston, VA NVR’s technology teams thrive on providing...Work experience placement- ...commercial markets.The DHS’s Hunt and Incident Response Team (HIRT) secures the Nation’s cyber and communications infrastructure. HIRT... ...Education:BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 5 years of network/host investigations...For contractorsImmediate startRemote work
- ...Description: Research and investigate cyber security vulnerabilities that are produced by security scanners or found by security engineers. Do in-depth deep dives on vulnerabilities and their applicability for an application or a system. Build proof of concept...
$140k - $180k
...readiness. Ensure compliance with DHS Information Security Vulnerability Management (ISVM) directives and... ...'s degree in IT, Computer Science, or related engineering field. CISSP, CISM, CASP+, CEH, or equivalent IAM Level III certification. Experience with Zero Trust...Full timePart timeFor contractorsRemote work$119.32k - $202.85k
...interviews and extending offers in anticipation of the award. The Work: ICF is seeking an experienced and driven Software Security Engineer to lead and oversee mission-critical initiatives in support of the Defense Counterintelligence and Security Agency (DCSA). In...Full timeContract workWork experience placementWork at officeImmediate startRemote work$135k - $216k
...transportation infrastructures, working alongside leaders in aviation, engineering, data science, and systems integration. At Peraton, you won’t... ...of U.S. air travel. Peraton is seeking a Information Systems Security Engineer (ISSE) to join our team of qualified, diverse...Contract workFor subcontractorShift work- ...Overview Information Systems Security Engineer Chantilly, VA TS/SCI with Poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology...
- Solvere One is seeking an Escalations Engineer with MSP experience to serve as a senior escalation resource and technical leader for the service desk. This role requires deep expertise across cloud platforms, hybrid environments, and networking, along with strong communication...
$159.3k - $202.4k
...understanding of current cyber threat actors as well as experience performing question-driven analysis is required. As a Security Intelligence Engineer, you will help enhance our capabilities by identifying new data sources, formulating new analytic techniques, and...InternshipFlexible hours$111.8k - $221.8k
...Information Systems Security Engineer Herndon, VA At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the...Contract workLocal area$150k - $180k
...Information System Security Engineer Markon is building a talent pool of Information System Security Engineers (ISSEs) to support our IC client from Chantilly, VA. The ideal candidate will have in-depth knowledge and experience with secure systems engineering, firewall...Contract workTemporary workFlexible hours- ...motivated, career and customer-oriented Network Engineer to join our team based out of Chantilly... ...standards and operational and security guidelines as defined by the Government and... ...trained in supported technology, provide Tier III network technical issue resolution, to...Contract workInterim roleWork at office
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Engineer III, Security Engineer. Be the first to apply!




