Senior Firewall Engineer
$75.2k - $158.1kCaci Inc
Job Title: Senior Firewall EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The OpportunityAs a member of the TCS Network Security Services (NSS) team, you will work with both corporate and customer leadership to research, analyze, and implement enterprise-wide network security solutions/capabilities/enhancements to support customer business/mission goals and objectives.Responsibilities• Assist with design, analysis, testing, and implementation of state-of-the-art secure network architectures.• Conduct risk assessment and provide design recommendations.• Manage WAN, LAN, CAN, and remote network security as well as incident and problem management.• Oversee security infrastructure sustainment, maintenance, and advanced configuration. (firewalls, F5 load balancers, web gateways, mail gateways, IDS, and management tools).• Oversee the reporting, documentation, and investigation of all security-related incidents; lead the development and implementation of corrective measures.• Develop and execute standard operating procedures (SOPs) for security tools.• Evaluate and report on new network Security technologies to enhance the capabilities of the network.• Act as liaison to the contract and customer management, and government Designated Approving Authority (DAA) regarding network security status, policies, and procedures.QualificationsRequired:• Active TS/SCI (Post-hire: Must be able to successfully pass/maintain a U.S. Government Polygraph)• BA/BS Degree in a related field (IT, Cybersecurity, and other related fields) Additional experience may be considered in lieu of a degree• Minimum 5 years of related technical experience in Network Security with large-scale enterprise/global networks in a high-paced, diverse environment.• DoD 8140.01 and DoD 8570.01-M IAT Level II compliant certification (current)• Post-hire: Must be able to successfully obtain/maintain CSSP Infrastructure Support certification within 120 days of start date• Experience with Firewalls (e.g. Palo Alto, Juniper, Cisco, etc.)• Experience with Routers/Switches (e.g. Juniper, Cisco, etc.)• Experience with Intrusion Detection Systems/IDS Products (e.g. FireEye, F5 Load Balancer, Cisco FTD, etc.)• Experience with Unix, RHELS OS, Windows Enterprise AD, VMware-What You Can Expect: A culture of integrity.At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.An environment of trust.CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.A focus on continuous growth.Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.Since this position can be worked in more than one location, the range shown is the national average for the position.The proposed salary range for this position is: $75,200-$158,100CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.Department:Cyber Security
$130k - $140k
**ACTIVE TS/SCI SECURITY CLEARANCE REQUIRED** D2 Consulting is looking for a skilled Senior Firewall Engineer to join a high-impact team protecting mission-critical infrastructure. You'll work side-by-side with both corporate and government leadership - meaning your...SeniorContract workRemote work- General information Job Posting Title Senior Firewall Engineer (Palo Alto SME) Date Thursday, July 9, 2026 City Arlington State VA Country United States Working time Full-time Description & Requirements Maximus is seeking a highly...SeniorMinimum wageFull timeContract workTemporary workWork experience placementWork at office
- ...Transportation, Federal and State Government Agencies. Learn More About ProSidian Consulting at DescriptionProSidian seeks a Senior-Level InfoSec Firewall Engineer Consultant focusing on Cyber-Security/Information Security (INFOSEC) and IT Effectiveness Solution related issues,...SeniorFull timeFor contractorsWork experience placementInternshipWork at officeMonday to FridayShift work
- ...Senior Firewall Engineer Join our client in DC as a Senior Firewall Engineer, where you'll be a crucial member of the Digital Technology Firewall Management and Network Security Team, operating during the day shift. Bring your extensive expertise in firewall and network...SeniorWork at officeRemote workDay shift
$113.2k - $237.8k
Job Title: Senior Cybersecurity Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI... ...CrowdStrike Falcon, Microsoft Defender), Next-Generation Firewalls (Palo Alto, Juniper, Cisco), Intrusion Detection/Prevention...SeniorLong term contractFull timeContract workWork experience placementLocal areaFlexible hours$83 - $89 per hour
...Senior Systems EngineerOur client is seeking a Senior Systems Engineer with over 10 years of experience to provide technical leadership and operational support across... ...upgrades, migrations, Zero Trust initiatives, firewall refreshes, and data center modernization—and ensure...SeniorContract work$83 - $89 per hour
...Senior Systems Engineer Location: Hybrid (needs to be within 1 hour of DMV) Compensation: $83-89/hr (Final Compensation will be dependent on... ...OS patching, upgrades, migrations, Zero Trust initiatives, firewall refreshes, and data center modernization—and ensure system...SeniorContract work$145k - $155k
...Senior Systems EngineerSpringfield, VAACTIVE TS/SCI SECURITY CLEARANCE REQUIREDThink strategically... ....At D2 Tech Services, Senior Systems Engineers aren't order-takers — they're the people... .../ Cisco networkingCisco ASA / Palo Alto firewall engineeringVMware infrastructure and...SeniorImmediate start- Responsibilities:- Configure and install various network devices and services e.g., routers (including WiFi), switches, firewalls, load balancers, VPN, etc.- Monitor performance and ensure system availability and reliability- Monitor system resource utilization, trending...Senior
$113.2k - $237.8k
Job Title: Senior Mac EngineerJob Category: Information TechnologyTime Type: Full timeMinimum... ...:CACI is seeking a Senior Mac Engineer to support a Department of Homeland Security... ...encryption, certificates, authentication, firewall, and endpoint protection.• Analyze and...SeniorContract workWork experience placementFlexible hours$100k - $150k
...Modern Technology Solutions, Inc. (MTSI) is seeking a Senior Cybersecurity Engineer to join our team in Springfield, VA. Qualified candidates must be U.S. citizens with a TS/SCI clearance and be able to obtain a CI Polygraph. Responsibilities: Support daily cybersecurity...SeniorFull timeContract work$92.3k - $166.85k
Leidos is seeking an experienced Senior Virtualization and Storage Engineer to support the DTRA I3TS Infrastructure Services team to support, maintain... ...Cisco UCS, Dell, HP), SAN/NAS storage, IP routing, and firewall structures.Hands-on experience with Omnissa Horizon 7/...SeniorFull time$135k - $216k
...Position SummaryPeraton is seeking a highly experienced Senior Cybersecurity Engineer to support federal government cybersecurity operations and... ...Integrate Splunk with enterprise security technologies including firewalls, IDS/IPS, EDR solutions, vulnerability management tools,...SeniorContract workShift work- ...Maximus is seeking a Senior Systems Engineer to support enterprise server and virtualization environments across Windows and Linux, with hybrid onsite requirements in Northern Virginia. The role emphasizes provisioning, patching, incident response, disaster recovery readiness...Senior
$135k - $185k
OverviewVTG is looking for a Senior Systems Engineer in Springfield, VA.What will you do?Systems Engineers employ a multi-discipline approach to requirements engineering, solutions engineering, scheduling, reliability, resiliency, services development, integration, test...SeniorWork experience placementRemote work$82.1k - $172.4k
Job Title: Senior Systems EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee... ...USAnticipated Posting End: 12/31/2026The Opportunity: Lead systems engineering for an Agile program delivering GEOINT capabilities to the...SeniorContract workWork experience placementFlexible hours$180k - $230k
...As a Information System Security Engineer (ISSE) you will play a critical role in ensuring the confidentiality, integrity, and availability... ...MS Hyper- V/VMWare/ESx/Xen Hypervisors, Enterprise networking/firewalls/intrusion detection/prevention systems, forensic analysis/...SeniorFull timeContract workWork experience placement$190k - $304k
ResponsibilitiesPeraton is seeking an experienced Senior Unified Communications Engineer, to join our dynamic Network and Unified Communications Architecture... ..., monitoring, troubleshooting, and analysis of firewalls, Intrusion Detection Systems (IDS), Virtual Private Networks...SeniorContract workShift work$135k - $216k
Responsibilities Senior-level System Engineers employ a multi-discipline approach to requirements engineering, solutions engineering, scheduling, reliability, resiliency, services development, integration, test and evaluation, maintainability and analysis across the...SeniorContract workWork experience placementRemote workShift work$135k - $216k
Responsibilities Senior-level Systems Engineers guide engineering teams in taking a multi-discipline approach to requirements engineering, solutions engineering, scheduling, reliability, resiliency, services development, integration, test and evaluation, maintainability...SeniorContract workWork experience placementWork at officeRemote workShift work$112k - $179k
ResponsibilitiesWe are seeking an experienced Senior Systems Engineer to support mission-critical geospatial intelligence initiatives across the National System for Geospatial-Intelligence (NSG), Allied System for Geospatial-Intelligence (ASG), and other Federal Government...SeniorContract workShift work$94.4k - $198.2k
Job Title: System Engineer, SeniorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee... ...Opportunity:CACI is seeking an experienced System Engineer, Senior to support logistics operations across the Indo-Pacific. The...SeniorContract workWork experience placementFor subcontractorFlexible hours- ...Senior Cybersecurity Firewall Engineer Akumen, Inc. delivers mission-focused technology, cybersecurity, and cloud solutions that enable federal agencies to modernize infrastructure, strengthen security, and achieve operational excellence. We are seeking an experienced...SeniorLocal area
$134.1k - $241.4k
...full potential. Unleash your talent and redefine what’s possible.Job Description:Parsons Corporation is seeking to hire a Senior level Systems Engineer for a U.S. Government contract in support of the National Geospatial-Intelligence Agency (NGA). The Systems Engineer...SeniorFull timeContract workFlexible hours$92.3k - $166.85k
...About the Role:Leidos is seeking a Network Engineer to lead vulnerability management and... ...Report program status, risks, and metrics to senior leadership. •Lead emergency response to... ....•Expert knowledge of F5, Cisco, firewalls, and enterprise network infrastructure.•...SeniorFull time- ...Senior Telecommunications EngineerFairfax, VA (100% remote) 12+ Months Web Cam Interview... ...medium and large-scale infrastructures.Engineering Analysis: Conduct in-depth engineering analysis... ...including gateways, routers, switches, firewalls, DNS, DHCP, network servers,...SeniorLocal areaRemote work
- ...MITRE Corporation in McLean, Virginia is seeking a Cyber Security Engineer to deliver solutions to complex challenges impacting U.S.... ...hands-on engineering analysis across multiple areas including firewalls, networks, and data security. Ideal candidates will possess a...Senior
$120k - $160k
...Job Description Description SAIC is seeking a Senior Systems Engineer. Job Duties Provide technical analysis and program/project management support for the development of life-cycle strategies, requirements, work statements, technical papers/presentations...SeniorWork at office- ...Senior Systems EngineerLocation: Springfield, VA Clearance: TS/SCI Citizenship: US Citizenship RequiredWhether running countries, corporations... ...and drive transformational change. As a Senior Systems Engineer, you'll be the cornerstone of this mission, ensuring the...Senior
- ...Senior Systems Engineer Specializing In Sensor IntegrationWe are seeking a highly motivated and experienced Senior Systems Engineer specializing in Sensor Integration to join our dynamic team. This role is ideal for professionals with a strong background in systems engineering...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Firewall Engineer. Be the first to apply!
- senior network engineer remote Springfield, VA
- senior manager legal Springfield, VA
- senior staff systems engineer Springfield, VA
- senior commercial counsel Springfield, VA
- senior manager tax Springfield, VA
- senior infrastructure engineer Springfield, VA
- senior living Springfield, VA
- senior implementation project manager Springfield, VA
- senior data management analyst Springfield, VA
- senior level Springfield, VA


