Cybersecurity Engineer, Senior
$82.1k - $172.4kCaci Inc
2 days ago Be among the first 25 applicants Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local Seniority level: Mid-Senior level Employment type: Full-time Job function: Information Technology Industry: IT Services and IT Consulting The Opportunity TCS offers a long-term contract opportunity supporting the National Geospatial-Intelligence Agency’s (NGA). Our team of talented Network and Cybersecurity professionals help design, develop, procure, implement, operate/sustain, and enhance NGA networks and cybersecurity posture in support of national security. Joining the TCS Team means working with truly cutting‑edge technologies, on high performing cyber engineering teams, and benefiting from accelerated professional growth! Build, deploy, configure, and maintain on-premises and cloud‑based cybersecurity infrastructure and applications running on Windows and Linux operating systems Engineer and implement cybersecurity solutions leveraging cloud services such as EC2, EBS, ELB, S3, and RDS. Provision AMIs, perform software installations, troubleshooting and maintenance. Assist with research and implementation of enterprise‑wide cybersecurity solutions/capabilities/enhancements to support customer business/mission goals and objectives. Evaluate and recommend changes and/or technology upgrades to address performance, standardization and industry best practices Provide specific, detailed information for hardware and software selection, implementation techniques, and tools for the most efficient solution to meet business needs, including present and future capacity requirements. Responsibilities Represent customer requirements in technical exchanges with other government agencies. Develop and maintain architecture diagrams. Develop and maintain a road map for capabilities, operations, and technologies. Assist with development and execution of test plans and supporting documentation of all network configuration upgrades, additions or revisions for customer approval before implementation. May serve as a team or task lead. Coordinate with stakeholders and external assessors to facilitate security assessments and authorization processes. Qualifications Required A deep expertise in one of the following areas and working knowledge of one or more of the other following: Network Detection and Response (NDR), Endpoint Detection and Response (EDR), Next‑Generation Firewalls (NGFWs), Intrusion Detection/Prevention Systems (IDS/IPS), F5 platforms, email/web security gateways Strong technical background with a thorough understanding of cloud infrastructure, security principles, compute, storage, and transport. Expertise in Windows and Linux server operating systems. Excellent writing and communication skills, including the ability to develop analytical documents and present oral presentations to senior/executive management Ability to work independently with little direction and guidance 6+ years related technical experience in network/cybersecurity engineering and experience with large‑scale enterprise/global networks in a highly diverse environment with an emphasis in DoD capabilities Demonstrated experience modernizing complex enterprise cybersecurity systems. Candidate must have a TS/SCI with ability to obtain a Polygraph Certified DoD 8140.01 and 8570.01-M Information Assurance Technical Officer (IAT) Level III and Information Assurance System Architecture and Engineering Specialist (IASAE) Level II. CSSP Infrastructure Support certification within 6 months of start date. 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. Your potential is limitless. So is ours. Learn more about CACI here. 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. Learn more here. $82,100-$172,400 CACI 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. #J-18808-Ljbffr CACI International Inc
$82.1k - $172.4k
...the first 25 applicants Job Category: Engineering Time Type: Full time Minimum Clearance... ...Required: Up to 10% Type of Travel: Local Seniority level: Mid-Senior level Employment type... ...NGA). Our team of talented Network and Cybersecurity professionals help design, develop,...SeniorLong term contractFull timeContract workWork experience placementLocal areaFlexible hours- ...Location: Anywhere in Country Identity Verification Engineer Key Responsibilities Identity Verification & Proofing Design and implement... ..., and hypercare activities. Collaborate with IAM architects, cybersecurity teams, application owners, and business stakeholders....SeniorFor contractorsFlexible hours
- Dexian is seeking a Network Engineer in St. Louis, MO. The role includes designing, implementing, and maintaining secure and high-performance... ...include configuring firewalls, managing network performance, and collaborating with cybersecurity teams. #J-18808-Ljbffr DexianSenior
$104.8k - $192.2k
...world. We are seeking an experienced Identity Verification Engineer with hands-on expertise in 1Kosmos or Microsoft Verified ID... ...and hypercare activities. Collaborate with IAM architects, cybersecurity teams, application owners, and business stakeholders....SeniorFor contractorsSummer holidayFlexible hours$92.3k - $166.85k
...that matters? Leidos is seeking a highly motivated Senior Systems Administrator/Help Desk Engineer to support a cutting-edge Agile software development... ...side with software engineers, DevSecOps specialists, cybersecurity professionals, and customer stakeholders, you’ll play...SeniorContract workLocal areaImmediate startShift workDay shiftAfternoon shift- ...that matters? Leidos is seeking a highly motivated Senior Systems Administrator/Help Desk Engineer to support a cutting‑edge Agile software development... ...side with software engineers, DevSecOps specialists, cybersecurity professionals, and customer stakeholders, you’ll play...SeniorContract workShift workDay shiftAfternoon shift
$144k - $329.1k
...reliability, and modernize operations. As a Senior Manager specializing in AI & Data for... ...architectures, and overseeing the engineering and scaling of AI, GenAI, and Agentic AI... ...management platforms. Knowledge of utility cybersecurity, privacy, and compliance considerations...SeniorSummer holidayFlexible hours- ...communication between team, adjacent stakeholders, and senior leadership. Performs periodic audits of IG... ...guidance and direction to program and engineering management and participants. Performs Information Assurance / Cybersecurity oversight and liaison with customers for...SeniorPermanent employmentWork at office
- Vivos Holdings is seeking a Network Engineer to design, deploy, and maintain an enterprise network across multiple locations, including... ...tasks with PowerShell or Python, and collaborate with cybersecurity to enforce network standards. This role requires 5+ years of...Senior
- ...Technology is a St. Louis-based Cyber Security, Information Technology, and Managed Services provider. We are seeking a Senior Systems & Network Engineer to join our St. Louis‑based engineering team. This is a senior‑level, client‑facing individual contributor role with...SeniorFull timeWork at office
- ...operations management, quality systems, data operations and cybersecurity. We secure some of the most sensitive data for the... ...employees, and we believe in promoting from within. Role: Senior Network Engineer Consultant Purpose: Assess, document, stabilize, and...SeniorImmediate startFlexible hours
- ...Slash Technology is a St. Louis-based Cyber Security, Information Technology, and Managed Services provider. We are seeking a Senior Network Engineer to join our St. Louis-based team. This is a client-facing role in which you will lead technical strategy and service...SeniorFull timeWork at office
- ...States, Missouri, St.Louis Mar 09, 2026 Job Description Provide engineering and consulting services for a broad array of projects and... ...protect the Company. Be familiar with company risk policies. Senior level engineering professional providing technical direction required...Senior
$75.2k - $158.1k
...Senior Firewall Engineer As a member of the TCS Network Security Services (NSS) team, you will work with both corporate and customer leadership... ...Polygraph) • BA/BS Degree in a related field (IT, Cybersecurity, and other related fields) Additional experience may be...SeniorContract workWork experience placementRemote workFlexible hours- BW Design Group is looking for a Process Engineer in St. Louis, MO, to join its growing team of experts. The successful candidate will work on Aseptic Filling, Visual Inspection, and Lyophilization systems, ensuring regulatory compliance while supporting leading pharmaceutical...Senior
- A global financial markets infrastructure firm in St. Louis is seeking an experienced Office 365 Tenant Administrator. This role includes managing end-to-end messaging systems, supporting a hybrid Office 365 environment, and ensuring operational excellence. Ideal candidates...SeniorWork at office
- AECO is seeking a highly motivated Resident Engineer in St. Louis, Missouri to support transportation construction projects for IDOT. The successful candidate will provide technical leadership, mentor staff, and ensure project delivery while managing budget, schedule,...Senior
- A consultancy firm is looking for a Mid-Senior level IT professional specializing in EDB Postgres. The role entails designing, maintaining, and administering EDB Postgres systems, along with a strong focus on performance tuning and administration of PostgreSQL on AWS RDS...SeniorContract work
$123.5k - $229.5k
...busbars, and modular busway systems. Translate innovative ideas into manufacturable, standards-compliant solutions. Guide engineering teams in rapid prototyping and proof-of-concepts to validate new concepts. Anticipate industry shifts (AI-scale, 1MW+ racks, OCP...SeniorMinimum wageFull timeTemporary workWork at officeLocal areaWorldwideRelocation packageFlexible hoursShift work$100k - $160k
...Bankrate, we're on a mission to help people find a healthier relationship with money — and the engineers who build our products are central to making that possible. As a Senior Software Engineer, you'll design and deliver the scalable, secure, and maintainable systems...SeniorFull timeTemporary workLocal areaRemote workFlexible hours- ...Senior Project Engineer Our Transmission Line Department within our Transmission & Distribution division is looking for a Senior Project Engineer to join our growing business in the Akron, Columbus, and St. Louis offices. The Senior Project Engineer will lead a team...Senior
$100k - $132k
Nestlé Purina North America in St. Louis is seeking a Senior Engineer for Digital & Automation to lead transformation initiatives. This role involves identifying emerging technologies, optimizing production lines, and collaborating across teams to create scalable solutions...Senior- Centene Corporation in St. Louis is seeking a Senior Application Development Engineer to design, develop, test, and deploy software solutions compliant with best practices. Candidates should have a bachelor's degree in Electronic Engineering or a related field and four...SeniorRemote jobMonday to Friday
- Spectrum is seeking a Software Engineer IV for ERP Finance (Oracle/PLSQL) to design, enhance and maintain critical financial applications that support business operations and revenue objectives. The role emphasizes reliability, security, and performance within Spectrum...SeniorWork at office
- ...IMEG is seeking a Senior Technology Engineer to join our Technology team in St. Louis, Missouri . In this role, you will lead the design, analysis, and implementation oversight of low-voltage technology (ICT) systems-including structured cabling, audio/video, and...SeniorContract workLocal areaFlexible hoursNight shift
- Axpo Holding AG is looking for an Endur Openlink Engineer based in Houston, TX. The role focuses on commodity trading and energy markets, requiring a strong understanding of the Endur ETRM platform. Ideal candidates will have a minimum of 7 years of relevant experience...Senior3 days per week
$150k - $160k
...Title : Senior Software Engineer Location : St. Louis Park, MN | Hybrid Job Type : Permanent / Direct Hire Compensation : $15... ...Optimizing software for performance, reliability, and cybersecurity in a highly regulated environment. Conducting risk analysis...SeniorPermanent employmentFlexible hours$60 - $65 per hour
A leading IT services company is seeking an experienced Sr. Systems Engineer for a contract position in St. Louis. Responsibilities include supporting end user hardware, designing system configurations, and providing 24/7 on-call support. The ideal candidate has over five...SeniorHourly payContract work$112k - $179k
Peraton is looking for a Systems Engineer - Digital Engineering in St. Louis, Missouri, to provide senior technical leadership in complex systems supporting national security. The role involves guiding systems engineering activities, analyzing requirements, and supporting...Senior- Quanta Infrastructure Solutions Group seeks an Engineering Project Manager for their Transmission Line teams. You will manage engineering activities across project lifecycles, ensuring safety and efficiency in high-voltage transmission infrastructure. The ideal candidate...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Cybersecurity Engineer, Senior. Be the first to apply!
- senior app developer Saint Louis, MO
- senior customer service advisor Saint Louis, MO
- senior international account manager Saint Louis, MO
- senior magento developer Saint Louis, MO
- senior quantitative risk analyst Saint Louis, MO
- sr marketing manager Saint Louis, MO
- sr technical product manager Saint Louis, MO
- senior manager pmo Saint Louis, MO
- senior accountant part time Saint Louis, MO
- senior systems specialist Saint Louis, MO

